condition mean min max 1 h after light 20.304009666666666 15.80532821 22.93659264 3 h after light 22.689697029999998 15.097026199999998 29.38801589 5 h after light 23.53947604 19.03053784 27.77257777 7 h after light 23.980367876666666 20.21578316 28.06982115 9 h after light 21.728966263333334 19.07426332 24.67855286 11 h after light 16.13166806 13.44398716 19.16334282 13 h after light 17.35267687 14.51059372 21.56217784 15 h after light 19.34607513 17.84731342 20.84751722 1 h after dark 15.442157349999999 11.09733562 18.28055915 3 h after dark 19.342492866666667 19.04346441 19.73740283 5 h after dark 23.050695703333332 19.01832016 28.32184004 7 h after dark 19.86476857 15.47849471 24.09716806