condition mean min max 2 h after light 20.250783333333334 17.4662 24.1407 6 h after light 16.4276 11.088 20.6205 10 h after light 17.05365 11.5554 21.3087 14 h after light 16.995933333333333 12.3513 22.2128 18 h after light 19.284299999999998 15.045 23.3254 2 h after dark 20.6929 16.9521 24.684