| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.87 | 1.97 | -0.10 |
| Feb | 1.84 | 1.91 | -0.07 |
| Mar | 2.42 | 2.50 | -0.08 |
| Apr | 3.80 | 3.78 | 0.02 |
| May | 4.65 | 4.84 | -0.19 |
| Jun | 4.25 | 4.16 | 0.09 |
| Jul | 3.98 | 3.69 | 0.29 |
| Aug | 3.63 | 3.50 | 0.13 |
| Sep | 3.47 | 3.55 | -0.08 |
| Oct | 3.04 | 2.98 | 0.06 |
| Nov | 2.46 | 2.61 | -0.15 |
| Dec | 2.08 | 2.09 | -0.01 |
37.49 | 37.58 | -0.09 |