condition mean min max 4 h after light 4.7914650000000005 3.97377 5.60916 8 h after light 3.6017 3.26531 3.93809 12 h after light 3.82878 3.59458 4.06298 4 h after dark 4.401703333333334 4.2904 4.48918 8 h after dark 5.083576666666667 4.99432 5.16189 12 h after dark 4.363713333333333 3.98914 4.5914