condition mean min max 4 h after light 59.473059500000005 35.489417 83.456702 8 h after light 47.882305 46.665223 49.099387 12 h after light 39.867075 38.882669 40.851481 4 h after dark 75.0537275 41.873304 108.234151 8 h after dark 457.8207985 37.734146 877.907451 12 h after dark 87.198747 87.198747 87.198747