condition mean min max 4 h after light 0.582129 0.408849 0.755409 8 h after light 1.114774 0.894208 1.33534 12 h after light 1.7168 1.63087 1.80273 4 h after dark 2.748025 2.22936 3.26669 8 h after dark 0.9338985000000001 0.826057 1.04174 12 h after dark 0.6569505 0.493425 0.820476