| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.16 | -0.07 |
| Feb | 1.03 | 1.06 | -0.03 |
| Mar | 1.76 | 1.76 | 0.00 |
| Apr | 3.16 | 3.24 | -0.08 |
| May | 3.91 | 3.95 | -0.04 |
| Jun | 4.75 | 4.74 | 0.01 |
| Jul | 3.79 | 3.74 | 0.05 |
| Aug | 4.01 | 3.97 | 0.04 |
| Sep | 3.60 | 3.60 | 0.00 |
| Oct | 2.79 | 2.76 | 0.03 |
| Nov | 1.82 | 1.85 | -0.03 |
| Dec | 1.43 | 1.51 | -0.08 |
33.14 | 33.34 | -0.20 |