condition mean min max 2 h after light 36.70745 26.5822 47.7269 6 h after light 25.2762 19.1049 31.981 10 h after light 63.14191666666667 41.0108 91.0181 14 h after light 128.39863333333332 83.0448 179.693 18 h after light 95.47723333333333 47.8009 118.04 2 h after dark 184.38965 65.8319 301.743