condition mean min max 4 h after light 702.2 702.2 702.2 8 h after light 833.5 463.2 1203.8 12 h after light 1436.65 1156.3 1717.0 4 h after dark 1218.1 749.6 1686.6 8 h after dark 697.2 546.2 848.2 12 h after dark 478.75 273.3 684.2