condition mean min max 1 h after light 5.9467800335 5.323983076 6.569576991 3 h after light 13.929216095333333 7.587179746 17.27408147 5 h after light 18.629032603333332 16.89462163 20.12836674 7 h after light 24.645637699999998 17.68673259 30.02609159 9 h after light 30.40922735 26.6369532 34.32873847 11 h after light 25.088928136666667 20.5786569 28.54476791 13 h after light 15.516508863 8.939252939 19.56014594 15 h after light 17.66477705 16.55627806 19.7404915 1 h after dark 17.506406506666668 15.58287308 20.24135574 3 h after dark 18.872006153333334 15.89789561 22.02121351 5 h after dark 17.330138966666667 16.60196374 18.394088 7 h after dark 15.827514373333335 14.65607633 17.63320819