condition mean min max 2 h after light 127.87763333333334 88.0608 169.397 6 h after light 69.64495 48.496 81.261 10 h after light 104.13861666666666 60.1705 152.586 14 h after light 105.44865 52.7562 162.484 18 h after light 74.26568333333333 61.0365 91.0334 2 h after dark 191.91683333333333 146.961 266.715