| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 2.02 | -0.17 |
| Feb | 1.80 | 1.91 | -0.11 |
| Mar | 2.30 | 2.25 | 0.05 |
| Apr | 3.78 | 3.75 | 0.03 |
| May | 4.66 | 4.69 | -0.03 |
| Jun | 4.57 | 4.35 | 0.22 |
| Jul | 3.80 | 3.70 | 0.10 |
| Aug | 3.90 | 4.07 | -0.17 |
| Sep | 3.38 | 3.30 | 0.08 |
| Oct | 3.31 | 3.32 | -0.01 |
| Nov | 2.45 | 2.51 | -0.06 |
| Dec | 2.08 | 2.15 | -0.07 |
37.88 | 38.02 | -0.14 |