| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 1.89 | -0.14 |
| Feb | 1.73 | 1.85 | -0.12 |
| Mar | 2.23 | 2.28 | -0.05 |
| Apr | 3.76 | 3.77 | -0.01 |
| May | 4.75 | 4.72 | 0.03 |
| Jun | 4.34 | 4.28 | 0.06 |
| Jul | 3.79 | 3.72 | 0.07 |
| Aug | 3.91 | 3.80 | 0.11 |
| Sep | 3.24 | 3.29 | -0.05 |
| Oct | 3.33 | 3.37 | -0.04 |
| Nov | 2.53 | 2.54 | -0.01 |
| Dec | 1.99 | 2.11 | -0.12 |
37.35 | 37.62 | -0.27 |