| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.40 | 0.14 |
| Feb | 3.00 | 2.98 | 0.02 |
| Mar | 3.99 | 3.95 | 0.04 |
| Apr | 3.60 | 3.70 | -0.10 |
| May | 3.75 | 3.52 | 0.23 |
| Jun | 4.38 | 4.51 | -0.13 |
| Jul | 4.89 | 4.78 | 0.11 |
| Aug | 4.68 | 4.79 | -0.11 |
| Sep | 4.85 | 5.23 | -0.38 |
| Oct | 3.45 | 3.59 | -0.14 |
| Nov | 3.34 | 3.28 | 0.06 |
| Dec | 3.49 | 3.41 | 0.08 |
46.96 | 47.14 | -0.18 |