condition mean min max 4 h after light 624.5 624.5 624.5 8 h after light 477.6 404.2 551.0 12 h after light 803.6500000000001 534.4 1072.9 4 h after dark 1171.9 949.6 1394.2 8 h after dark 1230.65 1041.7 1419.6 12 h after dark 1204.8 1174.1 1235.5