condition mean min max 0 h after light 7.05949 5.52606 8.59292 2 h after light 5.339145 4.59566 6.08263 4 h after light 5.21614 4.74807 5.68421 8 h after light 5.307945 4.57965 6.03624 12 h after light 8.77754 7.74276 9.81232 2 h after dark 6.797124999999999 6.11058 7.48367 4 h after dark 6.452859999999999 6.03254 6.87318 8 h after dark 8.556275 8.28801 8.82454 12 h after dark 8.477975 7.50091 9.45504