| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.95 | 3.96 | -0.01 |
| Feb | 3.46 | 3.43 | 0.03 |
| Mar | 4.62 | 4.69 | -0.07 |
| Apr | 4.38 | 4.50 | -0.12 |
| May | 3.62 | 3.50 | 0.12 |
| Jun | 4.20 | 4.33 | -0.13 |
| Jul | 3.56 | 3.57 | -0.01 |
| Aug | 3.89 | 3.90 | -0.01 |
| Sep | 4.00 | 4.04 | -0.04 |
| Oct | 4.94 | 4.92 | 0.02 |
| Nov | 4.03 | 4.04 | -0.01 |
| Dec | 4.82 | 4.94 | -0.12 |
49.47 | 49.82 | -0.35 |