condition mean min max 1 h after light 30.360309809999997 30.08570107 30.63491855 3 h after light 21.456311333333332 17.74916633 28.38507025 5 h after light 17.78103551 14.93095181 19.64186991 7 h after light 17.670148823333335 16.13927461 19.87881009 9 h after light 16.814071283333334 15.61752241 18.33279385 11 h after light 18.118404833333333 16.03058955 22.11293029 13 h after light 18.349926066666665 17.95483248 18.69898468 15 h after light 20.947517926666666 18.93474187 23.92608002 1 h after dark 19.53624004 18.34216093 20.92630571 3 h after dark 21.001777706666665 18.7996217 24.83592624 5 h after dark 22.086185413333332 17.90653617 25.23314696 7 h after dark 26.05933212 24.32842878 27.04013912