condition mean min max 0 h after light 0.1800496 0.0901452 0.269954 4 h after light 0.0902038 0.0887199 0.0916877 8 h after light 0.09031244999999999 0.089026 0.0915989 4 h after dark 0.3094918 0.0887256 0.530258 8 h after dark 0.2673645 0.177247 0.357482 12 h after dark 0.08888505 0.0879063 0.0898638