condition mean min max 1 h after light 19.683857553333333 17.85456329 21.86935087 3 h after light 18.84422027 17.84881429 19.39710797 5 h after light 18.045145069999997 15.80708655 20.968044199999998 7 h after light 18.86667836 18.53100384 19.52397396 9 h after light 18.597143706666667 17.79012185 20.00927365 11 h after light 17.145510616666666 16.88404046 17.42525374 13 h after light 19.459210223333333 16.76065414 23.60184331 15 h after light 19.74250602 19.15498506 20.13781451 1 h after dark 19.53780531 17.54381118 21.73558003 3 h after dark 21.96257693 19.06453682 26.20608087 5 h after dark 18.417412426666665 17.96524988 19.03279617 7 h after dark 19.48207005 16.01550024 21.29627376