condition mean min max 3 h after light 6.109601083333334 0.532512 27.56 7 h after light 7.52022 1.11448 24.3325 11 h after light 6.150167083333334 0.950385 15.8538 2 h after dark 5.7146125 0.87526 16.7645 6 h after dark 2.3070115833333333 0.406902 6.09857 10 h after dark 1.6962369166666666 0.142465 5.31554