condition mean min max 4 h after light 4.138558 2.987045 6.196179 8 h after light 2.2522203333333333 1.6948580000000002 2.635019 12 h after light 1.994987 1.451136 2.939938 16 h after light 5.4527719999999995 4.815212 6.163853 4 h after dark 4.554635333333334 2.318665 7.899458 8 h after dark 1.5686633333333333 1.541964 1.606884