| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.56 | -0.12 |
| Feb | 2.79 | 2.89 | -0.10 |
| Mar | 3.76 | 3.80 | -0.04 |
| Apr | 3.70 | 3.79 | -0.09 |
| May | 4.39 | 4.30 | 0.09 |
| Jun | 4.38 | 4.34 | 0.04 |
| Jul | 3.88 | 3.97 | -0.09 |
| Aug | 3.53 | 3.41 | 0.12 |
| Sep | 4.43 | 4.47 | -0.04 |
| Oct | 3.41 | 3.42 | -0.01 |
| Nov | 3.25 | 3.30 | -0.05 |
| Dec | 3.58 | 3.65 | -0.07 |
44.54 | 44.90 | -0.36 |