condition mean min max 0 h after light 7.2833950000000005 6.81139 7.7554 4 h after light 6.4945699999999995 6.4942 6.49494 8 h after light 13.431750000000001 13.4099 13.4536 4 h after dark 13.0115 10.7894 15.2336 8 h after dark 9.611270000000001 8.96864 10.2539 12 h after dark 7.760955 7.4267 8.09521