condition mean min max 3 h after light 10.326056666666666 9.19293 11.9311 6 h after light 12.208513333333334 8.46574 16.7602 9 h after light 19.5686 16.6314 25.1578 12 h after light 26.92245 15.9346 33.5662 3 h after dark 48.1365 47.4218 48.495 6 h after dark 37.90323333333333 35.0805 41.3207 9 h after dark 21.573866666666667 17.8193 23.9128 12 h after dark 14.318100000000001 11.3482 17.288