condition mean min max 1 h after light 20.80320607 20.17511719 21.43129495 3 h after light 20.307478073333332 17.20495505 25.02564449 5 h after light 21.44086173666667 18.36997068 26.47755455 7 h after light 23.046993516666667 20.91367602 27.26315711 9 h after light 25.227816146666665 20.91768931 28.04779536 11 h after light 24.321737419999998 22.73114291 26.75664565 13 h after light 22.471567046666667 21.18667959 24.65226999 15 h after light 24.372357046666668 22.72169024 26.11536478 1 h after dark 27.60045949 25.08116544 29.68504022 3 h after dark 27.64985585 23.51053393 32.78160649 5 h after dark 30.187223386666666 28.67193577 31.28931584 7 h after dark 28.422762506666665 26.98763399 30.76966993