| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.70 | 0.02 |
| Feb | 0.78 | 0.78 | 0.00 |
| Mar | 1.42 | 1.41 | 0.01 |
| Apr | 2.56 | 2.57 | -0.01 |
| May | 3.38 | 3.34 | 0.04 |
| Jun | 4.54 | 4.68 | -0.14 |
| Jul | 3.88 | 3.96 | -0.08 |
| Aug | 3.75 | 4.01 | -0.26 |
| Sep | 2.91 | 2.95 | -0.04 |
| Oct | 2.36 | 2.47 | -0.11 |
| Nov | 1.32 | 1.30 | 0.02 |
| Dec | 0.87 | 0.89 | -0.02 |
28.49 | 29.06 | -0.57 |