| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.66 | -0.08 |
| Feb | 1.33 | 1.46 | -0.13 |
| Mar | 1.84 | 1.97 | -0.13 |
| Apr | 3.44 | 3.52 | -0.08 |
| May | 3.59 | 3.66 | -0.07 |
| Jun | 3.90 | 3.93 | -0.03 |
| Jul | 3.40 | 3.41 | -0.01 |
| Aug | 3.38 | 3.48 | -0.10 |
| Sep | 2.65 | 2.60 | 0.05 |
| Oct | 2.81 | 2.79 | 0.02 |
| Nov | 2.10 | 2.10 | 0.00 |
| Dec | 1.80 | 1.88 | -0.08 |
31.82 | 32.46 | -0.64 |