condition mean min max 1 h after light 4.487644827 4.487644827 4.487644827 3 h after light 2.622437246 2.585049557 2.659824935 5 h after light 1.9829738860000001 1.947334959 2.0186128130000003 7 h after light 2.369672572 2.239280595 2.500064549 9 h after light 1.8886681025 1.653398411 2.123937794 11 h after light 1.7622971834999999 1.4033061169999999 2.12128825 1 h after dark 1.6641310964999998 1.440288216 1.887973977 3 h after dark 2.2305524660000002 1.9403869630000001 2.520717969 5 h after dark 2.6700627575 2.119179472 3.220946043 7 h after dark 2.7825687105 1.9754908480000002 3.589646573 9 h after dark 3.680410444 3.31336281 4.047458078 11 h after dark 3.9077662674999996 3.746166812 4.069365723