condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.024215333333333335 0.0 0.072646 12 h after light 0.0159155 0.0 0.0477465 4 h after dark 0.04466933333333333 0.0 0.134008 8 h after dark 0.10267033333333332 0.0 0.308011 12 h after dark 0.0 0.0 0.0