| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.86 | -0.10 |
| Feb | 2.33 | 2.34 | -0.01 |
| Mar | 3.01 | 2.97 | 0.04 |
| Apr | 3.89 | 3.92 | -0.03 |
| May | 4.49 | 4.41 | 0.08 |
| Jun | 5.17 | 5.04 | 0.13 |
| Jul | 4.82 | 4.74 | 0.08 |
| Aug | 3.50 | 3.42 | 0.08 |
| Sep | 3.11 | 3.09 | 0.02 |
| Oct | 3.25 | 3.12 | 0.13 |
| Nov | 3.32 | 3.29 | 0.03 |
| Dec | 2.73 | 2.78 | -0.05 |
42.38 | 41.98 | 0.40 |