condition mean min max 3 h after light 0.204894 0.060254 0.306792 6 h after light 0.35178 0.218124 0.58371 9 h after light 1.169372 0.486156 1.55337 12 h after light 0.7417635 0.200106 1.23716 3 h after dark 0.9940386666666666 0.624381 1.36503 6 h after dark 0.666558 0.17756 1.01844 9 h after dark 0.44359133333333334 0.320833 0.508552 12 h after dark 0.054643849999999994 0.047843 0.0614447