Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 20.4 | |||||||||||
2 | 21.3 | |||||||||||
3 | 21.1 | |||||||||||
4 | 21.6 | |||||||||||
5 | 21.2 | |||||||||||
6 | 17.9 | |||||||||||
7 | 20.6 | |||||||||||
8 | 21.8 | |||||||||||
9 | 23.2 | |||||||||||
10 | 19.4 | |||||||||||
11 | 23.1 | |||||||||||
12 | 20.8 | |||||||||||
13 | 21.3 | |||||||||||
14 | 20.4 | |||||||||||
15 | 21.8 | |||||||||||
16 | 23.9 | |||||||||||
17 | 25.9 | |||||||||||
18 | 26.7 | |||||||||||
19 | 25.9 | |||||||||||
20 | 25.4 | |||||||||||
21 | 27.1 | |||||||||||
22 | 26.3 | |||||||||||
23 | 24.2 | |||||||||||
24 | ||||||||||||
25 | ||||||||||||
26 | ||||||||||||
27 | ||||||||||||
28 | ||||||||||||
29 | ||||||||||||
30 | ||||||||||||
31 | ||||||||||||
Avg: | * 22.7 | |||||||||||
Hi: | * 27.1 | |||||||||||
Lo: | * 17.9 | |||||||||||
Note: | *Incomplete dataset. |
Avg | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025 | * 22.7 | |||||||||||
2024 | 24.7 | 23.1 | 20.9 | 20.0 | 16.6 | 16.1 | 15.2 | 15.2 | 15.8 | 18.2 | 19.4 | 22.4 |
2023 | 25.1 | 23.7 | 21.4 | 20.7 | 18.9 | 16.5 | 14.9 | 13.8 | 16.8 | 17.1 | 19.4 | 21.9 |
2022 | 24.5 | 24.3 | 23.2 | 20.5 | 18.1 | 15.5 | 14.7 | 15.5 | 16.4 | 17.2 | 20.6 | * 23.3 |
2021 | 21.1 | * 21.3 | 20.8 | 18.8 | 16.4 | 15.4 | 13.9 | 14.1 | 14.8 | 16.7 | 19.2 | 21.6 |
2020 | 20.3 | 21.8 | 19.5 | 18.0 | 16.7 | 15.2 | 13.6 | 14.8 | 14.6 | 16.7 | 18.6 | 19.1 |
2019 | 21.9 | 21.3 | * 21.3 | 16.8 | 16.8 | 13.5 | 12.7 | * 12.7 | 14.2 | * 15.0 | 17.7 | 19.9 |
2018 | 0.0 | 9.5 | 21.0 | 18.1 | 14.5 | * 13.9 | * 12.8 | 14.0 | 14.3 | 15.8 | 18.2 | 21.0 |
2017 | 18.3 | 4.3 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | * 0.0 | 0.0 | 0.0 | 0.0 |
2016 | 22.4 | 23.8 | 21.1 | 19.1 | 16.7 | 14.7 | * 13.6 | 12.6 | 14.7 | 15.6 | 16.4 | 18.6 |
2015 | 22.6 | 20.5 | 20.8 | 18.2 | 15.4 | 13.7 | 12.1 | 12.8 | 13.5 | 15.2 | * 16.4 | 18.4 |
2014 | * 19.5 | 21.1 | 19.2 | 18.7 | 15.6 | 14.6 | 12.6 | 13.0 | 14.8 | 15.2 | 15.8 | 19.0 |
2013 | 21.4 | 21.5 | 21.0 | * 18.5 | * 15.5 | 13.6 | 13.1 | 14.7 | 14.6 | 15.3 | 19.6 | 22.8 |
2012 | 21.1 | 21.2 | 19.0 | 18.9 | 14.8 | 12.8 | 12.9 | 14.2 | 14.7 | 15.3 | * 16.1 | 20.4 |
2011 | 21.6 | * 21.6 | 20.2 | 16.9 | 17.2 | 14.3 | 12.6 | 12.1 | 13.7 | 16.1 | 16.7 | 20.1 |
2010 | 23.8 | 26.1 | * 23.8 | 21.1 | 19.6 | * 14.9 | * 14.8 | * 14.0 | 15.5 | 17.9 | 20.6 | |
2009 | * 26.1 | 24.7 | 23.3 | 21.6 | 16.6 | 15.4 | 15.3 | 17.8 | 17.7 | 16.9 | 19.2 | 21.8 |
2008 | 22.3 | 23.4 | ||||||||||
Avg | * 21.0 | * 20.6 | * 19.8 | * 17.9 | * 15.6 | * 13.7 | * 12.8 | * 13.3 | * 14.0 | * 15.1 | * 17.3 | * 19.7 |