condition mean min max 1 h after light 2.178213571 2.178213571 2.178213571 3 h after light 2.0504600754999998 1.9152585569999998 2.185661594 5 h after light 2.727005318 2.6545977119999997 2.799412924 7 h after light 8.342051631 5.2427051019999995 11.44139816 9 h after light 15.708888943 8.427747906 22.99002998 11 h after light 30.947510549999997 25.45996998 36.43505112 1 h after dark 23.683475321499998 8.970927133 38.39602351 3 h after dark 8.495802879 4.239191128 12.75241463 5 h after dark 4.2697439735 2.367842467 6.17164548 7 h after dark 2.0405341775 0.6602563220000001 3.4208120330000003 9 h after dark 1.5362638125 1.187870873 1.884656752 11 h after dark 0.4226107405 0.3613151 0.483906381