condition mean min max 4 h after light 22.19216666666667 17.3318 26.0107 8 h after light 15.959546666666668 6.05004 22.0486 12 h after light 20.9718 14.0768 25.6181 4 h after dark 23.64613333333333 22.4733 24.8784 8 h after dark 25.8202 22.0203 28.1112 12 h after dark 43.4229 35.3401 52.2198