| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.87 | 1.95 | -0.08 |
| Feb | 1.78 | 1.90 | -0.12 |
| Mar | 2.26 | 2.23 | 0.03 |
| Apr | 3.76 | 3.69 | 0.07 |
| May | 4.49 | 4.56 | -0.07 |
| Jun | 4.63 | 4.29 | 0.34 |
| Jul | 3.90 | 3.63 | 0.27 |
| Aug | 3.87 | 3.95 | -0.08 |
| Sep | 3.38 | 3.28 | 0.10 |
| Oct | 3.23 | 3.23 | 0.00 |
| Nov | 2.43 | 2.35 | 0.08 |
| Dec | 2.08 | 2.09 | -0.01 |
37.68 | 37.15 | 0.53 |