| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.68 | -0.09 |
| Feb | 1.81 | 1.88 | -0.07 |
| Mar | 2.50 | 2.59 | -0.09 |
| Apr | 3.79 | 3.78 | 0.01 |
| May | 5.12 | 5.09 | 0.03 |
| Jun | 4.99 | 5.02 | -0.03 |
| Jul | 4.11 | 4.07 | 0.04 |
| Aug | 3.72 | 3.73 | -0.01 |
| Sep | 3.69 | 3.59 | 0.10 |
| Oct | 3.12 | 3.00 | 0.12 |
| Nov | 2.38 | 2.48 | -0.10 |
| Dec | 1.86 | 1.93 | -0.07 |
38.68 | 38.84 | -0.16 |