| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.44 | 5.48 | -0.04 |
| Feb | 5.01 | 4.99 | 0.02 |
| Mar | 5.50 | 5.49 | 0.01 |
| Apr | 4.82 | 5.02 | -0.20 |
| May | 4.30 | 3.94 | 0.36 |
| Jun | 4.74 | 4.83 | -0.09 |
| Jul | 4.78 | 4.70 | 0.08 |
| Aug | 4.68 | 4.50 | 0.18 |
| Sep | 4.22 | 4.10 | 0.12 |
| Oct | 3.88 | 3.92 | -0.04 |
| Nov | 4.64 | 4.58 | 0.06 |
| Dec | 5.50 | 5.38 | 0.12 |
57.51 | 56.93 | 0.58 |