| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.42 | -0.01 |
| Feb | 0.44 | 0.42 | 0.02 |
| Mar | 0.72 | 0.67 | 0.05 |
| Apr | 1.28 | 1.14 | 0.14 |
| May | 2.82 | 2.55 | 0.27 |
| Jun | 3.30 | 3.15 | 0.15 |
| Jul | 2.50 | 2.54 | -0.04 |
| Aug | 1.97 | 1.91 | 0.06 |
| Sep | 1.70 | 1.68 | 0.02 |
| Oct | 1.40 | 1.28 | 0.12 |
| Nov | 0.56 | 0.56 | 0.00 |
| Dec | 0.48 | 0.48 | 0.00 |
17.58 | 16.80 | 0.78 |