condition mean min max 0 h after light 71.307 66.7029 75.9111 4 h after light 33.178 32.7257 33.6303 8 h after light 30.56875 29.1459 31.9916 4 h after dark 49.962199999999996 46.4599 53.4645 8 h after dark 55.30285 50.0229 60.5828 12 h after dark 70.69810000000001 63.3228 78.0734