condition mean min max 0 h after light 1.3320995 0.874829 1.78937 2 h after light 16.885749999999998 13.1458 20.6257 4 h after light 9.159324999999999 8.80002 9.51863 8 h after light 9.740435 8.91037 10.5705 12 h after light 15.16965 14.7611 15.5782 2 h after dark 15.788499999999999 13.0236 18.5534 4 h after dark 4.85948 3.66503 6.05393 8 h after dark 1.2598850000000001 1.0438 1.47597 12 h after dark 1.183605 0.84045 1.52676