condition mean min max 3 h after light 1.2276690833333332 0.849882 1.60609 7 h after light 0.9857271666666667 0.621956 1.51519 11 h after light 1.0427354166666667 0.548596 1.46239 2 h after dark 1.19726575 0.711809 1.98243 6 h after dark 1.3774573333333333 0.871475 2.01413 10 h after dark 1.48354575 0.740553 2.43475