condition mean min max 4 h after light 27.897873333333333 18.8022 36.705490000000005 8 h after light 13.031142333333333 8.474007 16.36259 12 h after light 15.236833333333333 12.466560000000001 18.69301 16 h after light 16.835023333333332 13.210170000000002 21.921689999999998 4 h after dark 33.44636333333334 28.711190000000002 38.320170000000005 8 h after dark 35.00865 22.9954 45.87786