condition mean min max 4 h after light 45.956897 39.388901 52.524893 8 h after light 117.9619005 101.385908 134.537893 12 h after light 72.798165 55.441128 90.155202 4 h after dark 99.3265985 73.618989 125.034208 8 h after dark 93.2907065 56.843581 129.737832 12 h after dark 21.693433 21.693433 21.693433