| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.69 | 0.01 |
| Feb | 2.90 | 2.84 | 0.06 |
| Mar | 3.65 | 3.73 | -0.08 |
| Apr | 3.37 | 3.36 | 0.01 |
| May | 4.70 | 4.78 | -0.08 |
| Jun | 3.78 | 3.78 | 0.00 |
| Jul | 2.05 | 2.08 | -0.03 |
| Aug | 2.27 | 2.34 | -0.07 |
| Sep | 3.06 | 3.14 | -0.08 |
| Oct | 4.71 | 4.63 | 0.08 |
| Nov | 3.18 | 3.11 | 0.07 |
| Dec | 3.39 | 3.49 | -0.10 |
39.76 | 39.97 | -0.21 |