condition mean min max 4 h after light 0.00955085 0.0 0.0191017 8 h after light 0.0 0.0 0.0 12 h after light 0.015351299999999998 0.0110371 0.0196655 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0053911566666666666 0.0 0.00944402 12 h after dark 0.0010454533333333334 0.0 0.00313636