condition mean min max 3 h after light 0.873348 0.614779 1.34382 6 h after light 1.6212666666666666 1.19266 1.92357 9 h after light 1.167891 0.977493 1.44756 12 h after light 0.7937355 0.606426 0.898318 3 h after dark 1.5093183333333333 0.935075 2.10613 6 h after dark 1.1946616666666667 0.757202 1.95004 9 h after dark 0.571281 0.18369 0.96096 12 h after dark 0.9154275000000001 0.493395 1.33746