| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.66 | 0.04 |
| Feb | 1.63 | 1.62 | 0.01 |
| Mar | 2.02 | 1.96 | 0.06 |
| Apr | 3.68 | 3.68 | 0.00 |
| May | 4.02 | 3.99 | 0.03 |
| Jun | 4.55 | 4.60 | -0.05 |
| Jul | 3.77 | 3.70 | 0.07 |
| Aug | 3.72 | 3.80 | -0.08 |
| Sep | 3.32 | 3.25 | 0.07 |
| Oct | 2.90 | 2.82 | 0.08 |
| Nov | 2.19 | 2.17 | 0.02 |
| Dec | 1.85 | 1.91 | -0.06 |
35.35 | 35.16 | 0.19 |