condition mean min max 4 h after light 44.912015999999994 40.512795 49.311237 8 h after light 42.516673499999996 42.173942 42.859405 12 h after light 40.871132 39.886236 41.856028 4 h after dark 45.40206 44.308304 46.495816 8 h after dark 41.08578 39.580884 42.590676 12 h after dark 43.034812 43.034812 43.034812