| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.34 | 4.38 | -0.04 |
| Feb | 4.50 | 4.36 | 0.14 |
| Mar | 4.70 | 4.74 | -0.04 |
| Apr | 3.73 | 4.05 | -0.32 |
| May | 2.94 | 3.11 | -0.17 |
| Jun | 4.58 | 4.50 | 0.08 |
| Jul | 4.89 | 4.94 | -0.05 |
| Aug | 4.43 | 4.29 | 0.14 |
| Sep | 3.68 | 3.78 | -0.10 |
| Oct | 2.80 | 2.90 | -0.10 |
| Nov | 3.65 | 3.73 | -0.08 |
| Dec | 4.80 | 4.53 | 0.27 |
49.04 | 49.31 | -0.27 |