condition mean min max 4 h after light 1.9238899999999999 1.44237 2.40541 8 h after light 4.8318650000000005 4.45615 5.20758 12 h after light 3.5231500000000002 2.09141 4.95489 4 h after dark 3.7419133333333336 0.8145 5.5308 8 h after dark 3.3107 0.0 5.23778 12 h after dark 1.84996 0.0 2.95188