condition mean min max 0 h after light 46.588 42.2181 50.9579 2 h after light 30.29735 30.1178 30.4769 4 h after light 21.54035 21.4484 21.6323 8 h after light 18.9555 18.497 19.414 12 h after light 33.719899999999996 32.4261 35.0137 2 h after dark 34.5781 32.936 36.2202 4 h after dark 30.94305 24.2406 37.6455 8 h after dark 45.30945 43.8527 46.7662 12 h after dark 48.52805 48.266 48.7901