condition mean min max 1 h after light 7.748854996666667 5.735076237 10.22574756 3 h after light 7.468860076333334 6.263162574 8.696937808 5 h after light 8.480713891666667 7.0137403879999995 10.93765767 7 h after light 7.933040756666667 5.5903587020000005 10.18927934 9 h after light 8.274608750333334 5.997345205 9.601973422 11 h after light 7.394356359 5.7122520539999995 9.045021678 13 h after light 8.565743411 5.877708848999999 11.41804218 15 h after light 6.175122911333334 5.6776217120000005 7.159568185 1 h after dark 9.134265148999999 8.582104018999999 9.992144425 3 h after dark 8.287475521000001 6.764693326000001 10.60649171 5 h after dark 8.637000344666667 7.989876891000001 9.509160081000001 7 h after dark 8.870384873 8.699981511 9.188885282000001