| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.48 | -0.11 |
| Feb | 1.68 | 1.69 | -0.01 |
| Mar | 2.41 | 2.37 | 0.04 |
| Apr | 3.75 | 3.61 | 0.14 |
| May | 4.48 | 4.55 | -0.07 |
| Jun | 4.92 | 4.86 | 0.06 |
| Jul | 4.09 | 4.10 | -0.01 |
| Aug | 3.99 | 4.06 | -0.07 |
| Sep | 3.80 | 3.62 | 0.18 |
| Oct | 2.78 | 2.75 | 0.03 |
| Nov | 2.33 | 2.24 | 0.09 |
| Dec | 1.88 | 1.90 | -0.02 |
37.48 | 37.23 | 0.25 |