| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.58 | -0.04 |
| Feb | 2.90 | 2.88 | 0.02 |
| Mar | 4.08 | 3.97 | 0.11 |
| Apr | 3.65 | 3.70 | -0.05 |
| May | 3.74 | 3.93 | -0.19 |
| Jun | 4.49 | 4.27 | 0.22 |
| Jul | 5.35 | 5.32 | 0.03 |
| Aug | 5.10 | 5.38 | -0.28 |
| Sep | 5.10 | 5.03 | 0.07 |
| Oct | 3.91 | 4.30 | -0.39 |
| Nov | 3.10 | 3.12 | -0.02 |
| Dec | 3.60 | 3.60 | 0.00 |
48.56 | 49.08 | -0.52 |