condition mean min max 1 h after light 17.668017625 17.355404500000002 17.98063075 3 h after light 21.496799923333334 17.63973731 25.70127269 5 h after light 23.157473573333334 21.15218174 24.50812068 7 h after light 23.84123928 22.76216419 24.99837837 9 h after light 23.90682556 21.01086387 28.366520299999998 11 h after light 22.86955721 18.79599075 26.16471899 13 h after light 22.596400616666667 19.63706084 27.10983733 15 h after light 25.063532213333332 22.22718677 29.25091158 1 h after dark 21.811860590000002 17.74566789 26.55056705 3 h after dark 21.598593953333335 20.56071038 22.883559100000003 5 h after dark 22.009155733333333 21.758939399999996 22.24180283 7 h after dark 22.995736106666666 18.53594574 25.40631819