condition mean min max 4 h after light 12.495214 12.33323 12.657198 8 h after light 11.703850500000001 11.074471 12.33323 12 h after light 13.058007 11.213606 14.902408 4 h after dark 11.2528895 9.744868 12.760911 8 h after dark 16.476751999999998 14.193499 18.760005 12 h after dark 11.994257 11.994257 11.994257