| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.66 | 0.13 |
| Feb | 4.74 | 4.74 | 0.00 |
| Mar | 4.88 | 4.81 | 0.07 |
| Apr | 3.98 | 4.03 | -0.05 |
| May | 3.72 | 3.82 | -0.10 |
| Jun | 4.51 | 4.44 | 0.07 |
| Jul | 4.87 | 4.80 | 0.07 |
| Aug | 4.35 | 4.65 | -0.30 |
| Sep | 3.99 | 4.17 | -0.18 |
| Oct | 3.50 | 3.51 | -0.01 |
| Nov | 4.07 | 4.22 | -0.15 |
| Dec | 4.68 | 4.70 | -0.02 |
52.08 | 52.55 | -0.47 |