| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | 53.0 | 56.0 | 51.0 | 24.0 | 74.0 | 36.0 | 40.0 | 134.0 | 41.0 | 134.0 | 37.0 | 33.5 | 713.5 |
| 2007 | 51.0 | 97.0 | 104.0 | 1.0 | 110.0 | 122.0 | 125.0 | 75.0 | 45.0 | 6.0 | 66.0 | 86.6 | 888.6 |
| 2008 | 51.0 | 64.0 | 98.0 | 87.0 | 30.0 | 55.0 | 53.0 | 80.0 | 66.0 | 71.0 | 36.0 | 61.0 | 752.0 |
| 2009 | 54.0 | 65.0 | 95.0 | 37.0 | 52.0 | 68.0 | 195.0 | 10.0 | 22.0 | 32.0 | 89.0 | 129.6 | 848.6 |
| 2010 | 28.0 | 64.0 | 32.0 | 36.0 | 102.0 | 69.0 | 71.0 | 118.0 | 51.0 | 28.0 | 87.0 | 104.2 | 790.2 |
| 2011 | 64.0 | 19.0 | 13.0 | 22.0 | 25.0 | 91.0 | 106.0 | 103.0 | 41.0 | 32.0 | 4.6 | 175.0 | 695.6 |
| 2012 | 89.0 | 12.0 | 13.0 | 51.0 | 47.0 | 61.0 | 77.0 | 45.0 | 38.0 | 53.0 | 97.0 | 115.4 | 698.4 |
| 2013 | 27.0 | 40.0 | 46.0 | 73.0 | 150.0 | 88.0 | 69.0 | 85.0 | 105.0 | 130.0 | 93.0 | 57.6 | 963.6 |
| 2014 | 60.7 | 84.8 | 9.2 | 21.6 | 67.4 | 14.6 | 129.2 | 64.4 | 37.0 | 47.5 | 50.6 | 63.8 | 650.8 |
| 2015 | 102.8 | 27.0 | 45.4 | 31.4 | 36.9 | 30.4 | 19.9 | 27.0 | 66.8 | 16.0 | 55.0 | 21.4 | 480.0 |
| 2016 | 81.2 | 93.6 | 67.6 | 71.6 | 98.0 | 123.2 | 27.3 | 33.2 | 20.6 | 44.8 | 45.9 | 7.7 | 714.7 |
| 2017 | 26.8 | 45.3 | 59.0 | 7.0 | 54.8 | 45.6 | 82.6 | 35.8 | 102.8 | 52.3 | 106.9 | 121.2 | 740.1 |
| 2018 | 148.8 | 28.2 | 42.7 | 35.3 | 89.7 | 69.0 | 49.6 | 44.9 | 48.0 | 19.3 | 32.1 | 184.9 | 792.5 |
| 2019 | 70.9 | 37.8 | 82.6 | 72.1 | 86.6 | 52.8 | 39.6 | 39.9 | 46.7 | 119.4 | 73.7 | 101.3 | 823.4 |
| 2020 | 55.4 | 157.9 | 68.2 | 29.0 | 36.6 | 66.4 | 19.2 | 28.2 | 29.0 | 60.6 | 24.4 | 96.6 | 671.5 |
| 2021 | 87.4 | 48.6 | 53.2 | 24.6 | 101.6 | 104.6 | 65.0 | 52.4 | 21.4 | 49.8 | 29.2 | 74.6 | 712.4 |
| 2022 | 49.2 | 73.0 | 14.0 | 78.8 | 19.2 | 85.0 | 5.6 | 13.3 | 123.6 | 68.1 | 78.8 | 51.2 | 659.8 |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
| 2023 | 62.2 | 6.2 | 90.8 | 51.0 | 42.2 | 11.8 | 65.6 | 67.4 | 24.8 | 86.0 | 100.6 | 0.4 | 609.0 |
| Min | 26.8 | 12.0 | 9.2 | 1.0 | 19.2 | 14.6 | 5.6 | 10.0 | 20.6 | 6.0 | 4.6 | 7.7 | 480.0 |
| Max | 148.8 | 157.9 | 104.0 | 87.0 | 150.0 | 123.2 | 195.0 | 134.0 | 123.6 | 134.0 | 106.9 | 184.9 | 963.6 |
| Avg | 64.7 | 59.6 | 52.6 | 41.3 | 69.5 | 69.5 | 69.1 | 58.2 | 53.2 | 56.7 | 59.2 | 87.4 | 740.9 |