| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.68 | 0.04 |
| Feb | 0.80 | 0.75 | 0.05 |
| Mar | 1.44 | 1.45 | -0.01 |
| Apr | 2.60 | 2.53 | 0.07 |
| May | 3.50 | 3.59 | -0.09 |
| Jun | 4.34 | 4.39 | -0.05 |
| Jul | 3.87 | 3.91 | -0.04 |
| Aug | 3.89 | 3.91 | -0.02 |
| Sep | 2.96 | 3.01 | -0.05 |
| Oct | 2.41 | 2.42 | -0.01 |
| Nov | 1.34 | 1.21 | 0.13 |
| Dec | 0.91 | 0.87 | 0.04 |
28.78 | 28.72 | 0.06 |