condition mean min max 0 h after light 1.902475 1.89963 1.90532 4 h after light 0.369648 0.2554 0.483896 8 h after light 0.17384100000000002 0.134114 0.213568 4 h after dark 0.1484065 0.0 0.296813 8 h after dark 0.40627399999999997 0.255123 0.557425 12 h after dark 0.5785335 0.337873 0.819194