condition mean min max 4 h after light 893.4 893.4 893.4 8 h after light 938.35 897.2 979.5 12 h after light 904.8499999999999 836.8 972.9 4 h after dark 1188.7 989.6 1387.8 8 h after dark 1326.75 1304.8 1348.7 12 h after dark 1212.8 1177.8 1247.8