| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 0.97 | 0.06 |
| Feb | 1.07 | 1.06 | 0.01 |
| Mar | 1.98 | 1.85 | 0.13 |
| Apr | 3.40 | 3.25 | 0.15 |
| May | 4.40 | 4.49 | -0.09 |
| Jun | 5.35 | 5.30 | 0.05 |
| Jul | 4.10 | 4.23 | -0.13 |
| Aug | 4.56 | 4.51 | 0.05 |
| Sep | 3.77 | 3.80 | -0.03 |
| Oct | 2.52 | 2.51 | 0.01 |
| Nov | 1.83 | 1.69 | 0.14 |
| Dec | 1.33 | 1.25 | 0.08 |
35.34 | 34.91 | 0.43 |