condition mean min max 2 h after light 0.139652 0.0 0.837912 6 h after light 1.05411 0.0 2.24506 10 h after light 3.6687933333333334 0.0 16.6977 14 h after light 7.315993333333333 0.0 18.6561 18 h after light 1.3402715 0.0 2.89247 2 h after dark 0.7715966666666667 0.0 3.21056