condition mean min max 4 h after light 0.01739485 0.0 0.0347897 8 h after light 0.1074349 0.0827018 0.132168 12 h after light 0.0731626 0.0321252 0.1142 4 h after dark 0.0386016 0.0 0.0777214 8 h after dark 0.04481073333333334 0.0 0.0941387 12 h after dark 0.0494156 0.0 0.110688