condition mean min max 1 h after light 8.135917802 7.997886371 8.273949233 3 h after light 13.574868567333334 9.377464702000001 18.18070077 5 h after light 15.32452215 13.47887657 16.59839329 7 h after light 16.538700076666668 15.41220057 17.35525788 9 h after light 15.809842886666667 11.66000806 18.19424338 11 h after light 16.616834153333336 12.774567800000002 19.60957163 1 h after dark 22.36533025 18.22946337 26.34867852 3 h after dark 25.741155476666666 21.07968351 29.57048434 5 h after dark 26.25834601 23.63120128 27.63017926 7 h after dark 24.138372036666667 22.52669517 26.35766136 9 h after dark 23.51160555 21.48801176 25.16727711 11 h after dark 21.62947562 19.32536797 22.85053315