condition mean min max 0 h after light 14.81445 13.9448 15.6841 2 h after light 9.794235 9.58047 10.008 4 h after light 12.0456 12.037 12.0542 8 h after light 13.51535 13.3265 13.7042 12 h after light 22.3593 20.4856 24.233 2 h after dark 22.73885 19.3363 26.1414 4 h after dark 22.105449999999998 22.0064 22.2045 8 h after dark 20.6851 20.6007 20.7695 12 h after dark 19.79645 18.44 21.1529