condition mean min max 0 h after light 0.39498849999999996 0.237289 0.552688 4 h after light 0.19852 0.155691 0.241349 8 h after light 0.39508600000000005 0.321487 0.468685 4 h after dark 0.4274125 0.387721 0.467104 8 h after dark 0.3518915 0.233284 0.470499 12 h after dark 0.2725375 0.236548 0.308527