condition mean min max 0 h after light 0.802485 0.673196 0.931774 2 h after light 0.570584 0.385367 0.755801 4 h after light 0.191986 0.188539 0.195433 8 h after light 0.843081 0.593652 1.09251 12 h after light 1.7892299999999999 1.64667 1.93179 2 h after dark 2.327045 2.17821 2.47588 4 h after dark 2.126935 1.66379 2.59008 8 h after dark 2.8531199999999997 2.05523 3.65101 12 h after dark 1.35641 1.23189 1.48093