condition mean min max 4 h after light 5.564375 5.15464 5.97411 8 h after light 5.799049999999999 5.71958 5.87852 12 h after light 7.287825 7.26897 7.30668 4 h after dark 12.05845 10.6541 13.4628 8 h after dark 9.083189999999998 8.80914 9.35724 12 h after dark 7.703055 7.2278 8.17831