condition mean min max 4 h after light 58.81693333333333 30.9362 80.9203 8 h after light 36.76892 6.68316 65.9515 12 h after light 33.893633333333334 21.0513 47.6589 4 h after dark 54.43736666666667 37.406 70.6362 8 h after dark 73.6918 56.964 91.6502 12 h after dark 100.0769 86.0947 112.097