condition mean min max 2 h after light 41.22255 27.367 52.7347 6 h after light 41.8467 30.1021 49.2636 10 h after light 39.38615 33.0087 47.3871 14 h after light 45.7924 37.3256 58.6093 18 h after light 49.894533333333335 34.9708 62.5694 2 h after dark 48.951750000000004 36.4728 58.3781