condition mean min max 4 h after light 2.6076349999999997 2.527149 2.7043169999999996 8 h after light 1.962032 1.501321 2.267049 12 h after light 1.4765373333333334 1.295289 1.7226400000000002 16 h after light 2.8602856666666665 2.346965 3.124365 4 h after dark 2.1888046666666665 2.0662 2.384374 8 h after dark 2.1814693333333333 1.392975 2.5848869999999997