condition mean min max 4 h after light 3.08624 2.02148 3.79813 8 h after light 1.649724 0.558522 2.71482 12 h after light 0.798732 0.470524 1.28356 4 h after dark 2.499483333333333 1.25153 3.90371 8 h after dark 1.30347 1.02841 1.52568 12 h after dark 1.710834 0.959542 2.88475