condition mean min max 4 h after light 9.258849999999999 8.77066 9.74704 8 h after light 15.451550000000001 15.1865 15.7166 12 h after light 12.37085 12.0013 12.7404 4 h after dark 23.07855 21.8104 24.3467 8 h after dark 16.3304 15.6743 16.9865 12 h after dark 14.735199999999999 14.6702 14.8002