condition mean min max 3 h after light 39.5906 30.5064 59.0422 7 h after light 38.7812 26.6167 59.3484 11 h after light 40.22025 30.2714 55.1506 2 h after dark 41.37549166666667 34.0871 54.0461 6 h after dark 35.507333333333335 26.3133 43.0426 10 h after dark 32.59648333333333 23.4703 40.5802