condition mean min max 2 h after light 57.81895 47.2002 71.359 6 h after light 42.916133333333335 34.0264 51.0147 10 h after light 45.78828333333333 30.0369 66.5853 14 h after light 56.12975 39.2081 70.341 18 h after light 49.751 41.7729 61.7522 2 h after dark 108.24081666666666 91.1497 138.36