condition mean min max 3 h after light 1.5797263333333333 0.0 3.99052 7 h after light 1.0570396670683333 0.0 3.35605 11 h after light 1.3960786666666667 0.0 3.16115 2 h after dark 1.4352075 0.0 4.2 6 h after dark 1.3059087600000001 0.0 4.65061 10 h after dark 2.4571695833333336 0.0 7.39909