| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.44 | 0.00 |
| Feb | 0.59 | 0.68 | -0.09 |
| Mar | 1.19 | 1.21 | -0.02 |
| Apr | 1.93 | 1.98 | -0.05 |
| May | 3.26 | 3.25 | 0.01 |
| Jun | 2.88 | 2.87 | 0.01 |
| Jul | 3.34 | 3.59 | -0.25 |
| Aug | 2.97 | 2.99 | -0.02 |
| Sep | 1.85 | 1.75 | 0.10 |
| Oct | 1.72 | 1.73 | -0.01 |
| Nov | 0.72 | 0.70 | 0.02 |
| Dec | 0.60 | 0.72 | -0.12 |
21.49 | 21.91 | -0.42 |