| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.67 | -0.06 |
| Feb | 0.65 | 0.72 | -0.07 |
| Mar | 1.25 | 1.26 | -0.01 |
| Apr | 2.35 | 2.38 | -0.03 |
| May | 3.05 | 2.97 | 0.08 |
| Jun | 3.96 | 3.89 | 0.07 |
| Jul | 3.59 | 3.85 | -0.26 |
| Aug | 3.44 | 3.37 | 0.07 |
| Sep | 2.66 | 2.56 | 0.10 |
| Oct | 2.30 | 2.31 | -0.01 |
| Nov | 1.07 | 1.07 | 0.00 |
| Dec | 0.71 | 0.73 | -0.02 |
25.64 | 25.78 | -0.14 |