condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0265927 0.0 0.0797781 9 h after light 0.06229933333333334 0.0 0.118827 12 h after light 0.12711656666666665 0.0 0.309156 3 h after dark 0.07054433333333333 0.0 0.10962 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.028697566666666664 0.0 0.0860927