condition mean min max 4 h after light 10.7417985 10.259399 11.224198 8 h after light 10.568211 10.195072 10.94135 12 h after light 10.200071000000001 10.140743 10.259399 4 h after dark 9.965505499999999 9.715137 10.215874 8 h after dark 11.188785 10.121199 12.256371 12 h after dark 9.707831 9.707831 9.707831