| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.72 | -0.08 |
| Feb | 1.78 | 1.83 | -0.05 |
| Mar | 2.41 | 2.50 | -0.09 |
| Apr | 3.70 | 3.78 | -0.08 |
| May | 5.00 | 4.93 | 0.07 |
| Jun | 4.79 | 4.68 | 0.11 |
| Jul | 3.98 | 3.88 | 0.10 |
| Aug | 3.65 | 3.65 | 0.00 |
| Sep | 3.54 | 3.78 | -0.24 |
| Oct | 2.92 | 2.80 | 0.12 |
| Nov | 2.43 | 2.49 | -0.06 |
| Dec | 1.97 | 2.00 | -0.03 |
37.81 | 38.04 | -0.23 |