condition mean min max 0 h after light 0.383542 0.0 0.767084 4 h after light 0.99407 0.78021 1.20793 8 h after light 1.1454849999999999 0.47282 1.81815 4 h after dark 1.5082244999999999 0.902439 2.11401 8 h after dark 1.211705 1.20662 1.21679 12 h after dark 1.05891 1.04725 1.07057