condition mean min max 0 h after light 3.13316 2.83404 3.43228 2 h after light 2.164935 1.87121 2.45866 4 h after light 2.427855 2.33606 2.51965 8 h after light 2.472765 2.29489 2.65064 12 h after light 4.332425 3.84908 4.81577 2 h after dark 4.34681 4.21762 4.476 4 h after dark 4.086295 3.9001 4.27249 8 h after dark 4.646475 3.94833 5.34462 12 h after dark 3.28467 3.19707 3.37227