| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.42 | -0.02 |
| Feb | 1.28 | 1.34 | -0.06 |
| Mar | 1.88 | 1.87 | 0.01 |
| Apr | 3.53 | 3.56 | -0.03 |
| May | 3.90 | 3.84 | 0.06 |
| Jun | 4.82 | 4.84 | -0.02 |
| Jul | 3.91 | 3.99 | -0.08 |
| Aug | 3.98 | 3.70 | 0.28 |
| Sep | 3.32 | 3.25 | 0.07 |
| Oct | 2.87 | 2.87 | 0.00 |
| Nov | 2.16 | 1.99 | 0.17 |
| Dec | 1.65 | 1.62 | 0.03 |
34.70 | 34.29 | 0.41 |