condition mean min max 4 h after light 0.6765939999999999 0.606274 0.746914 8 h after light 1.135582 0.946964 1.3242 12 h after light 1.7931350000000001 1.10332 2.48295 4 h after dark 1.8741966666666667 1.14468 2.33608 8 h after dark 1.0004566666666665 0.40422 1.38604 12 h after dark 0.694581 0.0 1.37082