| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.61 | 0.11 |
| Feb | 3.85 | 4.00 | -0.15 |
| Mar | 4.67 | 4.73 | -0.06 |
| Apr | 5.34 | 5.24 | 0.10 |
| May | 5.00 | 4.99 | 0.01 |
| Jun | 3.98 | 3.93 | 0.05 |
| Jul | 3.97 | 3.88 | 0.09 |
| Aug | 3.07 | 2.99 | 0.08 |
| Sep | 3.43 | 3.44 | -0.01 |
| Oct | 3.82 | 4.12 | -0.30 |
| Nov | 4.33 | 4.34 | -0.01 |
| Dec | 4.49 | 4.53 | -0.04 |
49.67 | 49.80 | -0.13 |