condition mean min max 4 h after light 4.739263333333334 4.53775 5.01826 8 h after light 4.950913333333333 4.48065 5.3178 12 h after light 5.281063333333333 5.05474 5.58062 4 h after dark 4.778583333333333 4.61581 4.9673099999999994 8 h after dark 4.61826 4.329359999999999 4.88731 12 h after dark 4.40459 4.2431 4.64361