| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.62 | 0.03 |
| Feb | 1.83 | 1.90 | -0.07 |
| Mar | 2.47 | 2.51 | -0.04 |
| Apr | 3.85 | 3.88 | -0.03 |
| May | 5.10 | 5.16 | -0.06 |
| Jun | 4.85 | 4.84 | 0.01 |
| Jul | 3.99 | 4.02 | -0.03 |
| Aug | 3.69 | 3.55 | 0.14 |
| Sep | 3.59 | 3.63 | -0.04 |
| Oct | 3.09 | 3.11 | -0.02 |
| Nov | 2.45 | 2.49 | -0.04 |
| Dec | 1.91 | 1.96 | -0.05 |
38.47 | 38.67 | -0.20 |