condition mean min max 4 h after light 47.672222223333335 38.92 54.38 8 h after light 35.31888889 20.66 59.22666667 12 h after light 21.094444443333334 15.24 29.62 1.5 h after dark 23.008888889999998 19.87666667 26.41 5.5 h after dark 37.87888889 31.07 47.92 9.5 h after dark 55.963333336666665 43.91666667 68.67666667