condition mean min max 2 h after light 22.523983333333334 18.1604 25.3703 6 h after light 21.33855 15.7496 27.3559 10 h after light 20.427966666666666 13.9928 26.2111 14 h after light 22.127566666666667 15.9277 28.8224 18 h after light 21.10485 15.6203 26.4593 2 h after dark 30.43065 24.1477 37.5325