condition mean min max 4 h after light 10.610314500000001 9.33871 11.881919 8 h after light 11.604466500000001 11.159721 12.049212 12 h after light 10.857516 9.650615 12.064417 4 h after dark 10.6148585 9.500556 11.729161 8 h after dark 11.172279 9.757999 12.586559 12 h after dark 10.732325 10.732325 10.732325