| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.54 | -0.07 |
| Feb | 1.55 | 1.61 | -0.06 |
| Mar | 2.11 | 2.10 | 0.01 |
| Apr | 3.66 | 3.72 | -0.06 |
| May | 4.21 | 4.22 | -0.01 |
| Jun | 5.45 | 5.34 | 0.11 |
| Jul | 4.18 | 3.95 | 0.23 |
| Aug | 4.17 | 4.22 | -0.05 |
| Sep | 3.67 | 3.64 | 0.03 |
| Oct | 2.84 | 2.89 | -0.05 |
| Nov | 2.37 | 2.30 | 0.07 |
| Dec | 1.82 | 1.83 | -0.01 |
37.50 | 37.36 | 0.14 |