| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.80 | -0.09 |
| Feb | 1.63 | 1.72 | -0.09 |
| Mar | 2.13 | 2.10 | 0.03 |
| Apr | 3.60 | 3.61 | -0.01 |
| May | 4.08 | 4.05 | 0.03 |
| Jun | 4.64 | 4.60 | 0.04 |
| Jul | 3.59 | 3.62 | -0.03 |
| Aug | 3.73 | 3.61 | 0.12 |
| Sep | 3.49 | 3.38 | 0.11 |
| Oct | 2.91 | 2.82 | 0.09 |
| Nov | 2.33 | 2.34 | -0.01 |
| Dec | 1.94 | 1.98 | -0.04 |
35.78 | 35.63 | 0.15 |