condition mean min max 0 h after light 0.601054 0.515714 0.686394 4 h after light 1.2041149999999998 1.18431 1.22392 8 h after light 0.9533655000000001 0.509311 1.39742 4 h after dark 0.8443229999999999 0.842658 0.845988 8 h after dark 0.1697155 0.169003 0.170428 12 h after dark 0.2533195 0.171368 0.335271