| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.98 | 2.16 | -0.18 |
| Feb | 1.84 | 2.00 | -0.16 |
| Mar | 2.38 | 2.35 | 0.03 |
| Apr | 3.85 | 3.92 | -0.07 |
| May | 4.69 | 4.69 | 0.00 |
| Jun | 4.45 | 4.43 | 0.02 |
| Jul | 3.77 | 3.86 | -0.09 |
| Aug | 4.02 | 4.06 | -0.04 |
| Sep | 3.30 | 3.25 | 0.05 |
| Oct | 3.50 | 3.53 | -0.03 |
| Nov | 2.56 | 2.66 | -0.10 |
| Dec | 2.15 | 2.23 | -0.08 |
38.49 | 39.14 | -0.65 |