condition mean min max 0 h after light 5.766165 5.45029 6.08204 2 h after light 2.684095 2.23869 3.1295 4 h after light 1.597025 1.30306 1.89099 8 h after light 1.37025 1.36765 1.37285 12 h after light 1.474805 1.21394 1.73567 2 h after dark 3.7328 3.49673 3.96887 4 h after dark 4.566075 3.96077 5.17138 8 h after dark 5.742089999999999 4.63512 6.84906 12 h after dark 6.219865 4.1151 8.32463