| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.49 | -0.04 |
| Feb | 0.64 | 0.60 | 0.04 |
| Mar | 0.99 | 1.00 | -0.01 |
| Apr | 2.48 | 2.55 | -0.07 |
| May | 3.41 | 3.35 | 0.06 |
| Jun | 3.75 | 3.99 | -0.24 |
| Jul | 2.75 | 2.60 | 0.15 |
| Aug | 2.60 | 2.66 | -0.06 |
| Sep | 2.11 | 2.17 | -0.06 |
| Oct | 1.74 | 1.80 | -0.06 |
| Nov | 0.70 | 0.73 | -0.03 |
| Dec | 0.49 | 0.54 | -0.05 |
22.11 | 22.48 | -0.37 |