condition mean min max 0 h after light 3.7654199999999998 3.45199 4.07885 4 h after light 3.950595 3.75255 4.14864 8 h after light 4.003909999999999 3.50279 4.50503 4 h after dark 5.138015 4.62553 5.6505 8 h after dark 3.72069 3.66131 3.78007 12 h after dark 3.759535 3.71814 3.80093