condition mean min max 4 h after light 12.4027645 10.971272 13.834257 8 h after light 10.852777 10.805063 10.900491 12 h after light 13.8212405 12.59165 15.050831 4 h after dark 11.199807499999999 11.165538 11.234077 8 h after dark 10.9642835 10.109457 11.81911 12 h after dark 10.195147 10.195147 10.195147