| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.00 | 1.99 | 0.01 |
| Feb | 1.82 | 1.83 | -0.01 |
| Mar | 2.44 | 2.42 | 0.02 |
| Apr | 2.39 | 2.44 | -0.05 |
| May | 3.99 | 3.90 | 0.09 |
| Jun | 3.33 | 3.31 | 0.02 |
| Jul | 2.28 | 2.57 | -0.29 |
| Aug | 2.36 | 2.20 | 0.16 |
| Sep | 3.70 | 3.85 | -0.15 |
| Oct | 3.42 | 3.71 | -0.29 |
| Nov | 2.30 | 2.50 | -0.20 |
| Dec | 1.91 | 2.13 | -0.22 |
31.94 | 32.85 | -0.91 |