condition mean min max 3 h after light 4.5475875 3.14443 5.9866 7 h after light 16.97136666666667 10.8094 25.6421 11 h after light 9.776025 7.04967 13.0722 2 h after dark 6.516501666666667 5.04032 8.77922 6 h after dark 5.020115 3.76343 6.97008 10 h after dark 4.508518333333333 3.47867 5.70135