condition mean min max 4 h after light 10.1289325 9.159203 11.098662 8 h after light 11.763482499999999 11.098662 12.428303 12 h after light 10.553101999999999 10.547763 10.558441 4 h after dark 10.8378775 10.193181 11.482574 8 h after dark 12.77758 11.098662 14.456498 12 h after dark 11.805043 11.805043 11.805043