condition mean min max 4 h after light 120.36827399999999 100.690637 140.045911 8 h after light 141.22035 120.796615 161.644085 12 h after light 245.897972 186.333118 305.462826 4 h after dark 158.792373 136.922137 180.662609 8 h after dark 257.3197235 229.24425 285.395197 12 h after dark 127.925767 127.925767 127.925767