condition mean min max 2 h after light 10.808993333333333 7.98078 17.1863 6 h after light 7.732475 3.17032 10.2431 10 h after light 10.698215 4.10217 19.4794 14 h after light 12.533068333333334 5.3023 17.733 18 h after light 13.66362 9.11012 16.4961 2 h after dark 8.544258333333334 4.88273 14.9455