condition mean min max 0 h after light 4.68536 3.9647 5.40602 4 h after light 2.267715 1.95449 2.58094 8 h after light 2.2588150000000002 1.7937 2.72393 4 h after dark 3.9030249999999995 3.1367 4.66935 8 h after dark 3.9225600000000003 3.57934 4.26578 12 h after dark 5.053100000000001 4.61927 5.48693