condition mean min max 0 h after light 42.9317 40.8349 45.0285 4 h after light 37.229299999999995 35.2393 39.2193 8 h after light 41.1793 39.353 43.0056 4 h after dark 51.2244 46.761 55.6878 8 h after dark 44.0765 39.9468 48.2062 12 h after dark 43.02255 42.496 43.5491