condition mean min max 4 h after light 2008.945 1638.886 2266.6710000000003 8 h after light 1477.625 1059.777 1872.7020000000002 12 h after light 759.1399 675.8787 840.5813 16 h after light 2896.4533333333334 2458.157 3499.2009999999996 4 h after dark 2204.9943333333335 1981.029 2399.081 8 h after dark 2470.679666666667 2019.665 2839.547