condition mean min max 3 h after light 0.8458596666666667 0.489786 1.21358 6 h after light 1.8217700000000001 1.20335 2.37279 9 h after light 2.7032633333333336 2.61417 2.77779 12 h after light 3.7490575 1.18734 5.22752 3 h after dark 2.067656 0.926198 3.43598 6 h after dark 1.440834 0.702372 1.90831 9 h after dark 1.0204053333333334 0.634558 1.53258 12 h after dark 0.7361275 0.378505 1.09375