condition mean min max 1 h after light 7.61322223 7.4878774539999995 7.738567006 3 h after light 8.238684379666665 6.352480271 9.493299777999999 5 h after light 8.482230361333333 4.992322999 10.99463221 7 h after light 9.365677115 8.711438232 9.952445275 9 h after light 8.524254094333333 6.652377808 11.83661027 11 h after light 10.437956264 9.408430322000001 11.17102338 1 h after dark 9.610310477666667 8.609255487999999 10.56141842 3 h after dark 6.012491910333333 4.318266035 7.759496167999999 5 h after dark 4.938363197 4.160418022 6.091917415 7 h after dark 6.969131481 6.520380836 7.451600872 9 h after dark 6.839161370666667 6.105867867000001 8.056766706 11 h after dark 5.730264765 5.108709921 6.356523536