condition mean min max 4 h after light 4.453105 4.12045 4.78576 8 h after light 4.215135 4.12635 4.30392 12 h after light 4.7814700000000006 4.7724 4.79054 4 h after dark 6.48962 6.09417 6.88507 8 h after dark 5.083505000000001 4.91113 5.25588 12 h after dark 5.34008 5.26804 5.41212