| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 32.4 | 53.4 | 47.3 | |||||||||
| 2 | 41.9 | 52.9 | 45.1 | |||||||||
| 3 | 53.1 | 50.0 | 11.8 | |||||||||
| 4 | 59.7 | 50.0 | 23.4 | |||||||||
| 5 | 54.3 | 46.0 | 34.9 | |||||||||
| 6 | 47.3 | 39.6 | 55.2 | |||||||||
| 7 | 39.6 | 20.8 | 48.9 | |||||||||
| 8 | 48.4 | 41.7 | 51.4 | |||||||||
| 9 | 57.9 | 40.3 | 41.9 | |||||||||
| 10 | 51.6 | 43.7 | 42.4 | |||||||||
| 11 | 33.8 | 36.9 | 48.9 | |||||||||
| 12 | 30.2 | 42.8 | 55.0 | |||||||||
| 13 | 34.9 | 52.2 | 37.4 | |||||||||
| 14 | 46.6 | 44.4 | 31.1 | |||||||||
| 15 | 49.8 | 46.9 | 41.9 | |||||||||
| 16 | 46.6 | 34.5 | 43.2 | |||||||||
| 17 | 49.3 | 31.1 | 47.1 | |||||||||
| 18 | 33.6 | 14.2 | 52.9 | |||||||||
| 19 | 42.3 | 15.6 | 39.4 | |||||||||
| 20 | 52.0 | 27.5 | 53.4 | |||||||||
| 21 | 44.4 | 31.8 | 48.2 | |||||||||
| 22 | 18.9 | 37.6 | ||||||||||
| 23 | 40.5 | 31.6 | ||||||||||
| 24 | 30.6 | 43.0 | ||||||||||
| 25 | 37.8 | 47.5 | ||||||||||
| 26 | 37.4 | 53.8 | ||||||||||
| 27 | 45.9 | 54.7 | ||||||||||
| 28 | 32.5 | 49.1 | ||||||||||
| 29 | 36.3 | |||||||||||
| 30 | 43.3 | |||||||||||
| 31 | 50.5 | |||||||||||
| Avg: | 42.7 | 40.5 | * 42.9 | |||||||||
| Hi: | 59.7 | 54.7 | * 55.2 | |||||||||
| Lo: | 18.9 | 14.2 | * 11.8 | |||||||||
| Note: | *Incomplete dataset. | |||||||||||
| Avg | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | 42.7 | 40.5 | * 42.9 | |||||||||
| 2018 | 47.3 | 42.7 | 51.4 | 56.1 | 69.4 | 80.4 | 81.8 | 77.3 | 74.8 | 56.4 | 45.1 | 40.4 |
| 2017 | 39.7 | 47.7 | 56.1 | 54.9 | 62.2 | 77.3 | 80.3 | 75.5 | 70.2 | 61.7 | 57.0 | 46.9 |
| 2016 | 41.4 | 46.6 | 49.2 | 52.0 | 61.1 | 78.3 | 82.1 | 75.6 | 75.2 | 67.3 | 54.1 | 40.5 |
| 2015 | 43.2 | 42.8 | 52.1 | 54.0 | 56.0 | 75.3 | 74.1 | 79.1 | 77.1 | 63.7 | 47.6 | 39.3 |
| 2014 | 38.3 | 40.1 | 47.5 | 53.1 | 63.6 | 75.9 | 76.3 | 72.7 | 69.7 | 59.9 | 46.5 | 42.0 |
| 2013 | 39.5 | 37.5 | 46.4 | 49.9 | 62.9 | 79.0 | 77.0 | 75.8 | 68.3 | 54.0 | 46.1 | 37.4 |
| 2012 | 41.9 | 36.7 | 53.4 | 59.2 | 66.7 | 82.7 | 79.8 | 76.9 | 68.3 | 57.1 | 52.1 | 38.6 |
| 2011 | 38.3 | 37.1 | 50.1 | 55.3 | 59.2 | 77.3 | 80.9 | 78.2 | 67.1 | 57.3 | 46.1 | 36.3 |
| 2010 | 39.1 | 35.0 | 44.4 | 53.0 | 62.6 | 75.3 | 77.5 | 74.9 | 74.7 | 58.7 | 44.5 | 42.7 |
| 2009 | * 49.8 | 50.9 | 49.0 | 63.0 | 69.0 | * 75.7 | 74.7 | 64.6 | 50.3 | 48.6 | 31.0 | |
| Avg | 41.1 | * 41.5 | * 49.5 | 53.7 | 62.7 | 77.0 | * 78.6 | 76.1 | 71.0 | 58.6 | 48.8 | 39.5 |
Winter
Spring
Summer
Autumn