condition mean min max 3 h after light 10.096183333333332 6.81835 12.5409 6 h after light 11.837299999999999 9.456 13.7127 9 h after light 19.088133333333335 17.6444 20.715 12 h after light 30.254849999999998 16.4589 35.6247 3 h after dark 37.755266666666664 35.8214 40.8903 6 h after dark 46.4776 44.4355 49.6736 9 h after dark 32.013866666666665 29.6103 33.8683 12 h after dark 19.11325 18.3973 19.8292