condition mean min max 4 h after light 8324.289444333333 7605.575 8803.64 8 h after light 9339.333334333332 8411.583333 10324.36667 12 h after light 10448.263335666667 9341.426667 11579.75667 1.5 h after dark 11264.054446666667 10089.99667 13581.3 5.5 h after dark 11824.613336666667 11025.16667 12795.17667 9.5 h after dark 11623.524443333334 11341.91667 12106.88333