condition mean min max 3 h after light 14187.36 5491.68 23921.0 6 h after light 6644.99 4490.0 10248.1 9 h after light 4413.07 4015.8 4904.78 12 h after light 6229.8875 5347.82 6903.45 3 h after dark 9579.35 7701.31 11799.0 6 h after dark 8556.556666666667 4477.37 11106.1 9 h after dark 7296.6 5391.18 10824.6 12 h after dark 4296.975 3087.11 5506.84