condition mean min max 4 h after light 138.4515 125.549 151.354 8 h after light 130.758 123.269 138.247 12 h after light 116.76599999999999 115.573 117.959 4 h after dark 148.86333333333334 143.215 152.105 8 h after dark 195.362 180.72 206.975 12 h after dark 144.268 136.632 152.973