| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 1.82 | 0.02 |
| Feb | 1.72 | 1.78 | -0.06 |
| Mar | 2.29 | 2.34 | -0.05 |
| Apr | 3.47 | 3.54 | -0.07 |
| May | 4.43 | 4.54 | -0.11 |
| Jun | 4.25 | 4.29 | -0.04 |
| Jul | 3.70 | 3.86 | -0.16 |
| Aug | 3.46 | 3.63 | -0.17 |
| Sep | 3.26 | 3.28 | -0.02 |
| Oct | 3.00 | 3.06 | -0.06 |
| Nov | 2.40 | 2.49 | -0.09 |
| Dec | 1.91 | 2.00 | -0.09 |
35.73 | 36.63 | -0.90 |