Recorded price history USD Listing start period All years 5 years 1 year
Recorded US-dollar price history Linear price scale. Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months. 0.00 250.00 500.00 750.00 1000.00 Sep 2024 Mar 2025 Sep 2025 Apr 2026 Oct 2026 2024-09-14: US$412.00; no sale recorded 2024-09-18: US$385.50; no sale recorded 2024-09-25: US$706.65; no sale recorded 2024-10-19: US$407.99; sold recorded 2024-10-25: US$350.00; sold recorded 2024-11-07: US$390.00; sold recorded 2024-11-09: US$406.66; no sale recorded 2024-11-11: US$420.00; sold recorded 2024-11-11: US$420.00; no sale recorded 2024-11-15: US$410.00; sold recorded 2024-11-19: US$420.00; sold recorded 2024-11-23: US$386.50; sold recorded 2024-11-25: US$387.65; no sale recorded 2024-11-25: US$406.34; no sale recorded 2024-11-26: US$389.30; sold recorded 2024-11-26: US$389.50; sold recorded 2024-11-26: US$389.60; sold recorded 2024-11-26: US$388.90; sold recorded 2024-11-26: US$389.00; sold recorded 2024-11-26: US$389.10; sold recorded 2024-11-26: US$448.04; no sale recorded 2024-11-29: US$415.80; no sale recorded 2024-12-05: US$386.58; sold recorded 2024-12-05: US$29.99; no sale recorded 2024-12-05: US$387.17; sold recorded 2024-12-06: US$388.53; no sale recorded 2024-12-12: US$412.59; no sale recorded 2024-12-22: US$433.19; sold recorded 2025-01-03: US$420.00; sold recorded 2025-01-03: US$420.00; sold recorded 2025-01-11: US$405.00; no sale recorded 2025-01-14: US$412.22; no sale recorded 2025-01-14: US$364.75; sold recorded 2025-01-20: US$413.99; sold recorded 2025-01-21: US$413.98; no sale recorded 2025-01-31: US$583.00; sold recorded 2025-02-14: US$420.00; sold recorded 2025-02-20: US$462.00; no sale recorded 2025-02-26: US$444.97; sold recorded 2025-03-01: US$139.00; no sale recorded 2025-03-07: US$50.00; no sale recorded 2025-03-07: US$413.09; no sale recorded 2025-03-07: US$411.05; no sale recorded 2025-03-10: US$35.00; no sale recorded 2025-03-12: US$420.00; sold recorded 2025-03-12: US$420.00; sold recorded 2025-03-19: US$410.23; sold recorded 2025-03-25: US$457.98; no sale recorded 2025-04-02: US$383.15; no sale recorded 2025-04-03: US$420.00; sold recorded 2025-04-03: US$420.00; sold recorded 2025-04-07: US$368.75; no sale recorded 2025-04-15: US$268.00; no sale recorded 2025-04-17: US$364.75; no sale recorded 2025-05-05: US$385.00; no sale recorded 2025-05-06: US$398.06; sold recorded 2025-05-06: US$432.68; no sale recorded 2025-05-14: US$458.00; no sale recorded 2025-05-20: US$399.72; no sale recorded 2025-05-21: US$628.80; no sale recorded 2025-05-28: US$417.00; no sale recorded 2025-06-02: US$360.00; no sale recorded 2025-06-02: US$436.00; no sale recorded 2025-06-02: US$430.00; no sale recorded 2025-06-04: US$412.00; no sale recorded 2025-06-11: US$399.02; no sale recorded 2025-06-18: US$401.90; no sale recorded 2025-06-24: US$541.72; no sale recorded 2025-06-25: US$421.00; no sale recorded 2025-06-26: US$358.80; no sale recorded 2025-07-02: US$400.00; no sale recorded 2025-07-02: US$539.07; no sale recorded 2025-07-04: US$358.66; no sale recorded 2025-07-09: US$421.00; no sale recorded 2025-07-10: US$434.00; no sale recorded 2025-07-15: US$391.66; no sale recorded 2025-07-17: US$389.22; no sale recorded 2025-07-17: US$486.00; no sale recorded 2025-07-22: US$388.50; no sale recorded 2025-07-23: US$450.00; no sale recorded 2025-07-23: US$388.87; no sale recorded 2025-07-24: US$388.87; no sale recorded 2025-07-31: US$420.37; no sale recorded 2025-08-01: US$392.00; no sale recorded 2025-08-02: US$819.00; no sale recorded 2025-08-02: US$522.98; no sale recorded 2025-08-03: US$821.00; no sale recorded 2025-08-04: US$358.00; no sale recorded 2025-08-05: US$355.21; no sale recorded 2025-08-08: US$374.42; no sale recorded 2025-08-09: US$355.00; no sale recorded 2025-08-13: US$349.49; no sale recorded 2025-08-15: US$355.00; no sale recorded 2025-08-15: US$355.00; no sale recorded 2025-08-15: US$650.68; no sale recorded 2025-08-19: US$349.77; no sale recorded 2025-08-19: US$346.00; no sale recorded 2025-08-19: US$375.00; no sale recorded 2025-08-19: US$375.00; no sale recorded 2025-08-19: US$381.00; no sale recorded 2025-08-19: US$345.88; no sale recorded 2025-08-20: US$421.00; no sale recorded 2025-08-20: US$408.45; no sale recorded 2025-08-20: US$421.00; no sale recorded 2025-08-23: US$163.00; no sale recorded 2025-08-31: US$500.00; no sale recorded 2025-09-03: US$410.55; no sale recorded 2025-09-04: US$473.05; no sale recorded 2025-09-08: US$425.25; no sale recorded 2025-09-11: US$388.00; no sale recorded 2025-09-17: US$365.55; no sale recorded 2025-09-18: US$393.25; no sale recorded 2025-09-26: US$377.32; no sale recorded 2025-09-27: US$390.00; no sale recorded 2025-09-28: US$440.00; no sale recorded 2025-10-08: US$466.26; no sale recorded 2025-10-10: US$373.45; no sale recorded 2025-10-14: US$349.99; no sale recorded 2025-10-15: US$421.00; no sale recorded 2025-11-05: US$365.00; no sale recorded 2025-11-05: US$405.00; no sale recorded 2025-11-07: US$461.50; no sale recorded 2025-11-07: US$431.00; no sale recorded 2025-11-08: US$453.39; no sale recorded 2025-11-10: US$368.84; no sale recorded 2025-11-11: US$504.22; no sale recorded 2025-11-12: US$654.60; no sale recorded 2025-11-17: US$448.00; no sale recorded 2025-11-17: US$419.00; no sale recorded 2025-11-17: US$431.00; no sale recorded 2025-11-17: US$358.00; no sale recorded 2025-11-18: US$467.00; no sale recorded 2025-11-19: US$415.00; no sale recorded 2025-11-19: US$410.00; no sale recorded 2025-11-24: US$357.58; no sale recorded 2025-11-25: US$390.00; no sale recorded 2025-11-25: US$357.47; no sale recorded 2025-11-26: US$382.00; no sale recorded 2025-11-27: US$347.75; no sale recorded 2025-11-27: US$343.05; no sale recorded 2025-11-28: US$498.15; no sale recorded 2025-11-28: US$892.38; no sale recorded 2025-12-01: US$514.00; no sale recorded 2025-12-02: US$522.11; no sale recorded 2025-12-10: US$345.00; no sale recorded 2025-12-11: US$419.29; no sale recorded 2025-12-15: US$414.29; no sale recorded 2025-12-20: US$444.91; no sale recorded 2025-12-25: US$356.70; no sale recorded 2025-12-26: US$299.00; no sale recorded 2025-12-26: US$356.69; no sale recorded 2025-12-31: US$389.28; no sale recorded 2026-01-04: US$355.16; no sale recorded 2026-01-06: US$387.00; no sale recorded 2026-01-06: US$392.00; no sale recorded 2026-01-06: US$395.00; no sale recorded 2026-01-09: US$372.75; no sale recorded 2026-01-23: US$341.00; no sale recorded 2026-01-30: US$394.68; no sale recorded 2026-02-12: US$386.00; no sale recorded 2026-02-12: US$357.07; no sale recorded 2026-02-19: US$250.00; no sale recorded 2026-02-28: US$357.00; no sale recorded 2026-03-04: US$340.00; no sale recorded 2026-03-05: US$369.83; no sale recorded 2026-03-17: US$497.64; no sale recorded 2026-03-19: US$390.00; no sale recorded 2026-03-23: US$341.00; no sale recorded 2026-04-01: US$655.24; no sale recorded 2026-04-02: US$473.55; no sale recorded 2026-04-02: US$496.00; no sale recorded 2026-04-03: US$496.00; no sale recorded 2026-04-14: US$268.78; no sale recorded 2026-04-14: US$273.78; no sale recorded 2026-04-15: US$390.00; no sale recorded 2026-04-16: US$384.80; no sale recorded 2026-04-16: US$267.52; no sale recorded 2026-04-16: US$381.11; no sale recorded 2026-04-16: US$376.11; no sale recorded 2026-04-17: US$323.01; no sale recorded 2026-04-17: US$380.29; no sale recorded 2026-04-18: US$259.52; no sale recorded 2026-04-22: US$381.11; no sale recorded 2026-04-22: US$331.80; no sale recorded 2026-04-23: US$276.62; no sale recorded 2026-04-24: US$380.29; no sale recorded 2026-04-25: US$405.00; no sale recorded 2026-04-28: US$359.61; no sale recorded 2026-05-02: US$453.10; no sale recorded 2026-05-02: US$269.76; no sale recorded 2026-05-02: US$269.76; no sale recorded 2026-05-06: US$277.00; no sale recorded 2026-05-10: US$298.00; no sale recorded 2026-05-11: US$431.00; no sale recorded 2026-05-13: US$273.00; no sale recorded 2026-05-14: US$331.79; no sale recorded 2026-05-15: US$431.00; no sale recorded 2026-05-17: US$343.36; no sale recorded 2026-05-18: US$331.94; no sale recorded 2026-05-18: US$326.79; no sale recorded 2026-05-18: US$322.90; no sale recorded 2026-05-20: US$345.00; no sale recorded 2026-05-25: US$301.66; no sale recorded 2026-05-26: US$428.76; no sale recorded 2026-05-28: US$365.31; no sale recorded 2026-05-28: US$287.68; no sale recorded 2026-06-01: US$325.00; no sale recorded 2026-06-02: US$490.10; no sale recorded 2026-06-02: US$443.95; no sale recorded 2026-06-03: US$481.25; no sale recorded 2026-06-03: US$287.68; no sale recorded 2026-06-04: US$380.00; no sale recorded 2026-06-05: US$395.00; no sale recorded 2026-06-09: US$301.66; no sale recorded 2026-06-09: US$296.95; no sale recorded 2026-06-09: US$425.60; no sale recorded 2026-06-10: US$385.00; no sale recorded 2026-06-11: US$386.00; no sale recorded 2026-06-11: US$361.49; no sale recorded 2026-06-15: US$322.78; no sale recorded 2026-06-15: US$322.79; no sale recorded 2026-06-17: US$318.55; no sale recorded 2026-06-21: US$442.59; no sale recorded 2026-06-22: US$301.56; no sale recorded 2026-06-25: US$430.00; no sale recorded 2026-06-25: US$430.00; no sale recorded 2026-06-26: US$359.71; no sale recorded 2026-06-29: US$428.76; no sale recorded 2026-06-29: US$462.00; no sale recorded 2026-07-01: US$451.20; no sale recorded 2026-07-02: US$290.45; no sale recorded 2026-07-02: US$254.99; no sale recorded 2026-07-03: US$388.00; no sale recorded 2026-07-05: US$315.94; no sale recorded 2026-07-06: US$320.88; no sale recorded 2026-07-06: US$265.78; no sale recorded 2026-07-07: US$260.78; no sale recorded 2026-07-10: US$301.56; no sale recorded 2026-07-11: US$569.80; no sale recorded 2026-07-11: US$308.30; no sale recorded 2026-07-11: US$320.88; no sale recorded 2026-08-08: US$264.01; no sale recorded 2026-08-11: US$355.14; no sale recorded 2026-09-05: US$395.00; no sale recorded 2026-10-23: US$313.49; no sale recorded 2026-10-24: US$395.26; no sale recorded 2026-10-24: US$273.80; no sale recorded 2026-10-24: US$398.73; no sale recorded Recorded US-dollar price history Linear price scale. Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months. 0.00 250.00 500.00 750.00 1000.00 Sep 2024 Sep 2025 Oct 2026 2024-09-14: US$412.00; no sale recorded 2024-09-18: US$385.50; no sale recorded 2024-09-25: US$706.65; no sale recorded 2024-10-19: US$407.99; sold recorded 2024-10-25: US$350.00; sold recorded 2024-11-07: US$390.00; sold recorded 2024-11-09: US$406.66; no sale recorded 2024-11-11: US$420.00; sold recorded 2024-11-11: US$420.00; no sale recorded 2024-11-15: US$410.00; sold recorded 2024-11-19: US$420.00; sold recorded 2024-11-23: US$386.50; sold recorded 2024-11-25: US$387.65; no sale recorded 2024-11-25: US$406.34; no sale recorded 2024-11-26: US$389.30; sold recorded 2024-11-26: US$389.50; sold recorded 2024-11-26: US$389.60; sold recorded 2024-11-26: US$388.90; sold recorded 2024-11-26: US$389.00; sold recorded 2024-11-26: US$389.10; sold recorded 2024-11-26: US$448.04; no sale recorded 2024-11-29: US$415.80; no sale recorded 2024-12-05: US$386.58; sold recorded 2024-12-05: US$29.99; no sale recorded 2024-12-05: US$387.17; sold recorded 2024-12-06: US$388.53; no sale recorded 2024-12-12: US$412.59; no sale recorded 2024-12-22: US$433.19; sold recorded 2025-01-03: US$420.00; sold recorded 2025-01-03: US$420.00; sold recorded 2025-01-11: US$405.00; no sale recorded 2025-01-14: US$412.22; no sale recorded 2025-01-14: US$364.75; sold recorded 2025-01-20: US$413.99; sold recorded 2025-01-21: US$413.98; no sale recorded 2025-01-31: US$583.00; sold recorded 2025-02-14: US$420.00; sold recorded 2025-02-20: US$462.00; no sale recorded 2025-02-26: US$444.97; sold recorded 2025-03-01: US$139.00; no sale recorded 2025-03-07: US$50.00; no sale recorded 2025-03-07: US$413.09; no sale recorded 2025-03-07: US$411.05; no sale recorded 2025-03-10: US$35.00; no sale recorded 2025-03-12: US$420.00; sold recorded 2025-03-12: US$420.00; sold recorded 2025-03-19: US$410.23; sold recorded 2025-03-25: US$457.98; no sale recorded 2025-04-02: US$383.15; no sale recorded 2025-04-03: US$420.00; sold recorded 2025-04-03: US$420.00; sold recorded 2025-04-07: US$368.75; no sale recorded 2025-04-15: US$268.00; no sale recorded 2025-04-17: US$364.75; no sale recorded 2025-05-05: US$385.00; no sale recorded 2025-05-06: US$398.06; sold recorded 2025-05-06: US$432.68; no sale recorded 2025-05-14: US$458.00; no sale recorded 2025-05-20: US$399.72; no sale recorded 2025-05-21: US$628.80; no sale recorded 2025-05-28: US$417.00; no sale recorded 2025-06-02: US$360.00; no sale recorded 2025-06-02: US$436.00; no sale recorded 2025-06-02: US$430.00; no sale recorded 2025-06-04: US$412.00; no sale recorded 2025-06-11: US$399.02; no sale recorded 2025-06-18: US$401.90; no sale recorded 2025-06-24: US$541.72; no sale recorded 2025-06-25: US$421.00; no sale recorded 2025-06-26: US$358.80; no sale recorded 2025-07-02: US$400.00; no sale recorded 2025-07-02: US$539.07; no sale recorded 2025-07-04: US$358.66; no sale recorded 2025-07-09: US$421.00; no sale recorded 2025-07-10: US$434.00; no sale recorded 2025-07-15: US$391.66; no sale recorded 2025-07-17: US$389.22; no sale recorded 2025-07-17: US$486.00; no sale recorded 2025-07-22: US$388.50; no sale recorded 2025-07-23: US$450.00; no sale recorded 2025-07-23: US$388.87; no sale recorded 2025-07-24: US$388.87; no sale recorded 2025-07-31: US$420.37; no sale recorded 2025-08-01: US$392.00; no sale recorded 2025-08-02: US$819.00; no sale recorded 2025-08-02: US$522.98; no sale recorded 2025-08-03: US$821.00; no sale recorded 2025-08-04: US$358.00; no sale recorded 2025-08-05: US$355.21; no sale recorded 2025-08-08: US$374.42; no sale recorded 2025-08-09: US$355.00; no sale recorded 2025-08-13: US$349.49; no sale recorded 2025-08-15: US$355.00; no sale recorded 2025-08-15: US$355.00; no sale recorded 2025-08-15: US$650.68; no sale recorded 2025-08-19: US$349.77; no sale recorded 2025-08-19: US$346.00; no sale recorded 2025-08-19: US$375.00; no sale recorded 2025-08-19: US$375.00; no sale recorded 2025-08-19: US$381.00; no sale recorded 2025-08-19: US$345.88; no sale recorded 2025-08-20: US$421.00; no sale recorded 2025-08-20: US$408.45; no sale recorded 2025-08-20: US$421.00; no sale recorded 2025-08-23: US$163.00; no sale recorded 2025-08-31: US$500.00; no sale recorded 2025-09-03: US$410.55; no sale recorded 2025-09-04: US$473.05; no sale recorded 2025-09-08: US$425.25; no sale recorded 2025-09-11: US$388.00; no sale recorded 2025-09-17: US$365.55; no sale recorded 2025-09-18: US$393.25; no sale recorded 2025-09-26: US$377.32; no sale recorded 2025-09-27: US$390.00; no sale recorded 2025-09-28: US$440.00; no sale recorded 2025-10-08: US$466.26; no sale recorded 2025-10-10: US$373.45; no sale recorded 2025-10-14: US$349.99; no sale recorded 2025-10-15: US$421.00; no sale recorded 2025-11-05: US$365.00; no sale recorded 2025-11-05: US$405.00; no sale recorded 2025-11-07: US$461.50; no sale recorded 2025-11-07: US$431.00; no sale recorded 2025-11-08: US$453.39; no sale recorded 2025-11-10: US$368.84; no sale recorded 2025-11-11: US$504.22; no sale recorded 2025-11-12: US$654.60; no sale recorded 2025-11-17: US$448.00; no sale recorded 2025-11-17: US$419.00; no sale recorded 2025-11-17: US$431.00; no sale recorded 2025-11-17: US$358.00; no sale recorded 2025-11-18: US$467.00; no sale recorded 2025-11-19: US$415.00; no sale recorded 2025-11-19: US$410.00; no sale recorded 2025-11-24: US$357.58; no sale recorded 2025-11-25: US$390.00; no sale recorded 2025-11-25: US$357.47; no sale recorded 2025-11-26: US$382.00; no sale recorded 2025-11-27: US$347.75; no sale recorded 2025-11-27: US$343.05; no sale recorded 2025-11-28: US$498.15; no sale recorded 2025-11-28: US$892.38; no sale recorded 2025-12-01: US$514.00; no sale recorded 2025-12-02: US$522.11; no sale recorded 2025-12-10: US$345.00; no sale recorded 2025-12-11: US$419.29; no sale recorded 2025-12-15: US$414.29; no sale recorded 2025-12-20: US$444.91; no sale recorded 2025-12-25: US$356.70; no sale recorded 2025-12-26: US$299.00; no sale recorded 2025-12-26: US$356.69; no sale recorded 2025-12-31: US$389.28; no sale recorded 2026-01-04: US$355.16; no sale recorded 2026-01-06: US$387.00; no sale recorded 2026-01-06: US$392.00; no sale recorded 2026-01-06: US$395.00; no sale recorded 2026-01-09: US$372.75; no sale recorded 2026-01-23: US$341.00; no sale recorded 2026-01-30: US$394.68; no sale recorded 2026-02-12: US$386.00; no sale recorded 2026-02-12: US$357.07; no sale recorded 2026-02-19: US$250.00; no sale recorded 2026-02-28: US$357.00; no sale recorded 2026-03-04: US$340.00; no sale recorded 2026-03-05: US$369.83; no sale recorded 2026-03-17: US$497.64; no sale recorded 2026-03-19: US$390.00; no sale recorded 2026-03-23: US$341.00; no sale recorded 2026-04-01: US$655.24; no sale recorded 2026-04-02: US$473.55; no sale recorded 2026-04-02: US$496.00; no sale recorded 2026-04-03: US$496.00; no sale recorded 2026-04-14: US$268.78; no sale recorded 2026-04-14: US$273.78; no sale recorded 2026-04-15: US$390.00; no sale recorded 2026-04-16: US$384.80; no sale recorded 2026-04-16: US$267.52; no sale recorded 2026-04-16: US$381.11; no sale recorded 2026-04-16: US$376.11; no sale recorded 2026-04-17: US$323.01; no sale recorded 2026-04-17: US$380.29; no sale recorded 2026-04-18: US$259.52; no sale recorded 2026-04-22: US$381.11; no sale recorded 2026-04-22: US$331.80; no sale recorded 2026-04-23: US$276.62; no sale recorded 2026-04-24: US$380.29; no sale recorded 2026-04-25: US$405.00; no sale recorded 2026-04-28: US$359.61; no sale recorded 2026-05-02: US$453.10; no sale recorded 2026-05-02: US$269.76; no sale recorded 2026-05-02: US$269.76; no sale recorded 2026-05-06: US$277.00; no sale recorded 2026-05-10: US$298.00; no sale recorded 2026-05-11: US$431.00; no sale recorded 2026-05-13: US$273.00; no sale recorded 2026-05-14: US$331.79; no sale recorded 2026-05-15: US$431.00; no sale recorded 2026-05-17: US$343.36; no sale recorded 2026-05-18: US$331.94; no sale recorded 2026-05-18: US$326.79; no sale recorded 2026-05-18: US$322.90; no sale recorded 2026-05-20: US$345.00; no sale recorded 2026-05-25: US$301.66; no sale recorded 2026-05-26: US$428.76; no sale recorded 2026-05-28: US$365.31; no sale recorded 2026-05-28: US$287.68; no sale recorded 2026-06-01: US$325.00; no sale recorded 2026-06-02: US$490.10; no sale recorded 2026-06-02: US$443.95; no sale recorded 2026-06-03: US$481.25; no sale recorded 2026-06-03: US$287.68; no sale recorded 2026-06-04: US$380.00; no sale recorded 2026-06-05: US$395.00; no sale recorded 2026-06-09: US$301.66; no sale recorded 2026-06-09: US$296.95; no sale recorded 2026-06-09: US$425.60; no sale recorded 2026-06-10: US$385.00; no sale recorded 2026-06-11: US$386.00; no sale recorded 2026-06-11: US$361.49; no sale recorded 2026-06-15: US$322.78; no sale recorded 2026-06-15: US$322.79; no sale recorded 2026-06-17: US$318.55; no sale recorded 2026-06-21: US$442.59; no sale recorded 2026-06-22: US$301.56; no sale recorded 2026-06-25: US$430.00; no sale recorded 2026-06-25: US$430.00; no sale recorded 2026-06-26: US$359.71; no sale recorded 2026-06-29: US$428.76; no sale recorded 2026-06-29: US$462.00; no sale recorded 2026-07-01: US$451.20; no sale recorded 2026-07-02: US$290.45; no sale recorded 2026-07-02: US$254.99; no sale recorded 2026-07-03: US$388.00; no sale recorded 2026-07-05: US$315.94; no sale recorded 2026-07-06: US$320.88; no sale recorded 2026-07-06: US$265.78; no sale recorded 2026-07-07: US$260.78; no sale recorded 2026-07-10: US$301.56; no sale recorded 2026-07-11: US$569.80; no sale recorded 2026-07-11: US$308.30; no sale recorded 2026-07-11: US$320.88; no sale recorded 2026-08-08: US$264.01; no sale recorded 2026-08-11: US$355.14; no sale recorded 2026-09-05: US$395.00; no sale recorded 2026-10-23: US$313.49; no sale recorded 2026-10-24: US$395.26; no sale recorded 2026-10-24: US$273.80; no sale recorded 2026-10-24: US$398.73; no sale recorded Sold recorded No sale recorded Monthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years $389.25 248 plotted records from 248 US-dollar records in this range. Monthly medians use all records in each calendar month.