condition mean min max 0 h after light 0.666925 0.446025 0.887825 2 h after light 34.179 31.5441 36.8139 4 h after light 67.0649 65.5523 68.5775 8 h after light 61.1716 56.2051 66.1381 12 h after light 21.36025 20.6066 22.1139 2 h after dark 5.920915 4.75295 7.08888 4 h after dark 5.98362 5.2545 6.71274 8 h after dark 2.3064 1.53118 3.08162 12 h after dark 1.0547245 0.972199 1.13725