condition mean min max 1 h after light 2.6230223595 1.7986429309999998 3.447401788 3 h after light 4.274130639666667 3.6013589510000004 5.252662901 5 h after light 3.5568739403333334 3.2809844910000003 3.91811719 7 h after light 4.1207976293333335 3.745326436 4.359149346000001 9 h after light 4.101665088666667 3.664989873 4.557978798 11 h after light 3.374016925333333 2.9321920460000004 3.7663235439999996 13 h after light 3.4304465493333334 1.102099677 4.80897563 15 h after light 3.700090317 3.4166235289999998 3.924924836 1 h after dark 3.7109478793333337 2.9307238360000003 4.484611752 3 h after dark 3.8915011336666665 3.578946342 4.287315904 5 h after dark 3.750354360666667 3.619977056 3.889789218 7 h after dark 3.1896095003333333 2.861424425 3.3860870789999997