condition mean min max 0 h after light 1.7370299999999999 1.35594 2.11812 2 h after light 2.59863 2.44532 2.75194 4 h after light 2.9818949999999997 2.94432 3.01947 8 h after light 3.01918 2.78306 3.2553 12 h after light 7.747275 6.64376 8.85079 2 h after dark 7.36948 6.58957 8.14939 4 h after dark 4.646125 4.05536 5.23689 8 h after dark 3.463445 3.37405 3.55284 12 h after dark 1.88401 1.77707 1.99095