condition mean min max 0 h after light 1.484775 1.48345 1.4861 4 h after light 1.4870649999999999 1.4626 1.51153 8 h after light 2.12391 1.94151 2.30631 4 h after dark 1.771195 1.04478 2.49761 8 h after dark 2.0898085 0.631427 3.54819 12 h after dark 1.56884 1.48146 1.65622