| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.62 | 0.03 |
| Feb | 0.85 | 0.84 | 0.01 |
| Mar | 1.43 | 1.41 | 0.02 |
| Apr | 2.34 | 2.27 | 0.07 |
| May | 4.37 | 4.22 | 0.15 |
| Jun | 3.70 | 3.67 | 0.03 |
| Jul | 3.97 | 4.10 | -0.13 |
| Aug | 3.60 | 3.67 | -0.07 |
| Sep | 2.34 | 2.29 | 0.05 |
| Oct | 1.82 | 1.88 | -0.06 |
| Nov | 1.08 | 1.08 | 0.00 |
| Dec | 0.98 | 0.99 | -0.01 |
27.13 | 27.04 | 0.09 |