| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.53 | 0.01 |
| Feb | 0.56 | 0.57 | -0.01 |
| Mar | 0.98 | 0.95 | 0.03 |
| Apr | 1.57 | 1.48 | 0.09 |
| May | 3.06 | 3.12 | -0.06 |
| Jun | 3.67 | 3.92 | -0.25 |
| Jul | 3.39 | 3.46 | -0.07 |
| Aug | 2.56 | 2.41 | 0.15 |
| Sep | 2.46 | 2.50 | -0.04 |
| Oct | 2.02 | 2.01 | 0.01 |
| Nov | 0.64 | 0.67 | -0.03 |
| Dec | 0.65 | 0.66 | -0.01 |
22.10 | 22.28 | -0.18 |