| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.56 | -0.06 |
| Feb | 2.06 | 2.10 | -0.04 |
| Mar | 2.62 | 2.60 | 0.02 |
| Apr | 3.82 | 3.63 | 0.19 |
| May | 4.29 | 4.30 | -0.01 |
| Jun | 4.81 | 4.82 | -0.01 |
| Jul | 4.17 | 4.17 | 0.00 |
| Aug | 3.88 | 3.98 | -0.10 |
| Sep | 3.11 | 3.05 | 0.06 |
| Oct | 3.03 | 2.94 | 0.09 |
| Nov | 3.02 | 2.99 | 0.03 |
| Dec | 2.43 | 2.38 | 0.05 |
39.74 | 39.52 | 0.22 |