| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.83 | 0.00 |
| Feb | 0.88 | 0.89 | -0.01 |
| Mar | 1.43 | 1.49 | -0.06 |
| Apr | 2.66 | 2.76 | -0.10 |
| May | 3.60 | 3.74 | -0.14 |
| Jun | 4.11 | 4.24 | -0.13 |
| Jul | 3.99 | 4.33 | -0.34 |
| Aug | 3.83 | 3.90 | -0.07 |
| Sep | 3.60 | 3.59 | 0.01 |
| Oct | 3.07 | 3.09 | -0.02 |
| Nov | 1.64 | 1.68 | -0.04 |
| Dec | 1.23 | 1.27 | -0.04 |
30.87 | 31.81 | -0.94 |