condition mean min max 1 h after light 15.895245615 14.63263244 17.15785879 3 h after light 18.455156313333333 16.25568539 19.68602519 5 h after light 20.62227686 11.92820936 28.74355911 7 h after light 26.90647959 23.83416809 28.47244343 9 h after light 26.465035316666665 15.29859213 35.00345785 11 h after light 26.7054284 21.38997398 33.08994464 1 h after dark 37.13539862 28.05907597 46.01945505 3 h after dark 29.725149846666667 21.21796545 39.55233903 5 h after dark 23.04290382 21.00551225 26.23222376 7 h after dark 23.55556521 22.34233737 25.61935151 9 h after dark 23.539762143333334 21.94895523 24.34306227 11 h after dark 23.51394043 20.19303755 25.74664178