condition mean min max Dawn 8.590485000000001 7.845470000000001 9.3355 Morning 9.505040000000001 9.505040000000001 9.505040000000001 Noon 10.06246 10.06246 10.06246 Night 11.20135 11.20135 11.20135 Midnight 13.70025 13.70025 13.70025