condition mean min max 4 h after light 1095.5 1095.5 1095.5 8 h after light 1427.1 1198.4 1655.8 12 h after light 2032.1499999999999 1624.6 2439.7 4 h after dark 2106.95 1966.3 2247.6 8 h after dark 1972.15 1804.7 2139.6 12 h after dark 1488.65 1203.6 1773.7