condition mean min max 4 h after light 9.591795000000001 8.20369 10.9799 8 h after light 14.063649999999999 13.9109 14.2164 12 h after light 14.8464 14.1532 15.5396 4 h after dark 16.705 16.1199 17.2901 8 h after dark 13.53735 13.2433 13.8314 12 h after dark 13.33535 12.8395 13.8312