condition mean min max 0 h after light 46.2791 43.4092 49.149 4 h after light 36.0689 31.7908 40.347 8 h after light 38.7278 34.0615 43.3941 4 h after dark 56.163349999999994 48.8208 63.5059 8 h after dark 50.308099999999996 49.6248 50.9914 12 h after dark 35.05 34.3194 35.7806