| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.41 | 0.01 |
| Feb | 0.60 | 0.60 | 0.00 |
| Mar | 1.25 | 1.27 | -0.02 |
| Apr | 2.44 | 2.49 | -0.05 |
| May | 3.87 | 3.99 | -0.12 |
| Jun | 3.62 | 3.78 | -0.16 |
| Jul | 3.30 | 3.34 | -0.04 |
| Aug | 3.06 | 3.02 | 0.04 |
| Sep | 1.87 | 1.86 | 0.01 |
| Oct | 1.81 | 1.75 | 0.06 |
| Nov | 0.91 | 0.85 | 0.06 |
| Dec | 0.52 | 0.61 | -0.09 |
23.67 | 23.97 | -0.30 |