condition mean min max 0 h after light 189.089 188.257 189.921 4 h after light 95.29975 91.2577 99.3418 8 h after light 54.8418 49.4467 60.2369 4 h after dark 119.044 107.989 130.099 8 h after dark 133.2335 126.279 140.188 12 h after dark 146.5745 136.319 156.83