condition mean min max 4 h after light 11.83935 10.9018 12.7769 8 h after light 8.048305000000001 6.90275 9.19386 12 h after light 8.611844999999999 8.34108 8.88261 4 h after dark 9.34777 8.35026 10.6574 8 h after dark 8.344386666666667 7.37487 9.46983 12 h after dark 11.695633333333333 10.6355 12.3877