condition mean min max 4 h after light 19.737766666666666 13.5118 25.6045 8 h after light 9.672039999999999 3.29052 15.2962 12 h after light 12.863949999999999 7.08215 20.7918 4 h after dark 9.832046666666667 6.25484 13.0413 8 h after dark 6.248516666666666 4.81937 7.39037 12 h after dark 44.3374 35.3632 49.8056