condition mean min max 2 h after light 31.941166666666668 24.5027 43.429 6 h after light 20.02455 16.2223 27.1783 10 h after light 29.58845 24.298 39.1103 14 h after light 50.9231 37.6817 63.6259 18 h after light 68.49635 57.4393 85.6253 2 h after dark 46.688383333333334 30.8589 63.2641