| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 4.91 | 0.01 |
| Feb | 5.07 | 5.09 | -0.02 |
| Mar | 5.19 | 5.10 | 0.09 |
| Apr | 4.79 | 5.12 | -0.33 |
| May | 3.98 | 4.35 | -0.37 |
| Jun | 4.62 | 4.64 | -0.02 |
| Jul | 4.74 | 5.58 | -0.84 |
| Aug | 3.92 | 3.78 | 0.14 |
| Sep | 3.88 | 4.01 | -0.13 |
| Oct | 3.09 | 3.08 | 0.01 |
| Nov | 4.45 | 4.12 | 0.33 |
| Dec | 5.46 | 5.60 | -0.14 |
54.11 | 55.38 | -1.27 |