| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.38 | 0.00 |
| Feb | 0.49 | 0.57 | -0.08 |
| Mar | 0.98 | 1.01 | -0.03 |
| Apr | 2.03 | 2.26 | -0.23 |
| May | 3.01 | 2.97 | 0.04 |
| Jun | 3.12 | 3.20 | -0.08 |
| Jul | 3.13 | 3.13 | 0.00 |
| Aug | 2.55 | 2.46 | 0.09 |
| Sep | 1.41 | 1.43 | -0.02 |
| Oct | 1.50 | 1.60 | -0.10 |
| Nov | 0.55 | 0.62 | -0.07 |
| Dec | 0.43 | 0.50 | -0.07 |
19.58 | 20.13 | -0.55 |