condition mean min max 3 h after light 0.6463886666666667 0.40266 0.881766 6 h after light 1.0077693333333333 0.92746 1.16483 9 h after light 1.2854619999999999 0.801456 1.67156 12 h after light 1.569775 1.3508 1.92021 3 h after dark 1.2455606666666665 0.983672 1.61806 6 h after dark 0.8550963333333333 0.719054 0.98009 9 h after dark 0.701012 0.19563 1.24037 12 h after dark 0.912355 0.59946 1.22525