condition mean min max 4 h after light 46.6216835 42.296275 50.947092 8 h after light 131.3745505 82.078663 180.670438 12 h after light 104.72792749999999 64.802046 144.653809 4 h after dark 176.70135249999998 82.568724 270.833981 8 h after dark 186.939838 54.486278 319.393398 12 h after dark 51.818728 51.818728 51.818728