| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.68 | 0.02 |
| Feb | 3.33 | 3.50 | -0.17 |
| Mar | 3.75 | 3.84 | -0.09 |
| Apr | 2.92 | 3.00 | -0.08 |
| May | 3.43 | 3.38 | 0.05 |
| Jun | 4.79 | 4.69 | 0.10 |
| Jul | 4.78 | 4.72 | 0.06 |
| Aug | 4.91 | 4.83 | 0.08 |
| Sep | 4.20 | 4.24 | -0.04 |
| Oct | 3.35 | 3.32 | 0.03 |
| Nov | 2.92 | 2.80 | 0.12 |
| Dec | 3.72 | 3.65 | 0.07 |
45.80 | 45.65 | 0.15 |