condition mean min max 4 h after light 11.9170175 11.64277 12.191265 8 h after light 11.726680000000002 10.066465 13.386895 12 h after light 10.9677665 10.747624 11.187909 4 h after dark 11.902897 11.64277 12.163024 8 h after dark 11.2828615 10.018476 12.547247 12 h after dark 12.498046 12.498046 12.498046