condition mean min max 3 h after light 47.55303333333333 37.0341 57.8686 6 h after light 40.9481 39.2556 43.4862 9 h after light 48.08116666666667 41.3189 55.8982 12 h after light 52.0926 38.8128 59.004 3 h after dark 72.70756666666666 71.5715 74.3568 6 h after dark 68.3372 62.696 73.0215 9 h after dark 54.517133333333334 49.6826 61.3841 12 h after dark 57.463300000000004 44.3091 65.8272