| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.92 | 0.01 |
| Feb | 1.35 | 1.34 | 0.01 |
| Mar | 2.43 | 2.42 | 0.01 |
| Apr | 3.28 | 3.12 | 0.16 |
| May | 5.25 | 5.27 | -0.02 |
| Jun | 4.94 | 5.13 | -0.19 |
| Jul | 3.84 | 3.95 | -0.11 |
| Aug | 3.79 | 3.93 | -0.14 |
| Sep | 3.05 | 2.82 | 0.23 |
| Oct | 3.14 | 3.09 | 0.05 |
| Nov | 1.68 | 1.65 | 0.03 |
| Dec | 1.34 | 1.35 | -0.01 |
35.02 | 34.99 | 0.03 |