| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.97 | -0.17 |
| Feb | 1.73 | 1.96 | -0.23 |
| Mar | 2.23 | 2.25 | -0.02 |
| Apr | 3.79 | 3.79 | 0.00 |
| May | 4.13 | 4.22 | -0.09 |
| Jun | 4.24 | 4.22 | 0.02 |
| Jul | 3.41 | 3.52 | -0.11 |
| Aug | 3.64 | 3.50 | 0.14 |
| Sep | 3.40 | 3.50 | -0.10 |
| Oct | 3.23 | 3.22 | 0.01 |
| Nov | 2.42 | 2.41 | 0.01 |
| Dec | 1.88 | 2.13 | -0.25 |
35.90 | 36.69 | -0.79 |