| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.53 | 0.00 |
| Feb | 0.69 | 0.68 | 0.01 |
| Mar | 1.33 | 1.44 | -0.11 |
| Apr | 1.84 | 1.93 | -0.09 |
| May | 3.09 | 3.29 | -0.20 |
| Jun | 3.08 | 3.08 | 0.00 |
| Jul | 3.67 | 3.73 | -0.06 |
| Aug | 2.95 | 2.87 | 0.08 |
| Sep | 1.68 | 1.77 | -0.09 |
| Oct | 1.78 | 1.79 | -0.01 |
| Nov | 0.71 | 0.70 | 0.01 |
| Dec | 0.80 | 0.88 | -0.08 |
22.15 | 22.69 | -0.54 |