condition mean min max 4 h after light 12.68703 7.54059 15.8533 8 h after light 13.520646666666668 3.58784 23.8468 12 h after light 14.350133333333334 9.5073 20.9822 4 h after dark 15.386899999999999 12.139 17.9144 8 h after dark 14.73338 9.24554 22.0204 12 h after dark 19.2985 17.57 20.4293