| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.42 | -0.13 |
| Feb | 2.54 | 2.68 | -0.14 |
| Mar | 3.70 | 3.93 | -0.23 |
| Apr | 3.50 | 3.84 | -0.34 |
| May | 3.71 | 3.80 | -0.09 |
| Jun | 4.46 | 4.82 | -0.36 |
| Jul | 4.76 | 4.99 | -0.23 |
| Aug | 4.38 | 4.36 | 0.02 |
| Sep | 4.72 | 4.85 | -0.13 |
| Oct | 4.09 | 4.38 | -0.29 |
| Nov | 3.19 | 3.32 | -0.13 |
| Dec | 3.76 | 3.96 | -0.20 |
46.10 | 48.35 | -2.25 |