| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.50 | -0.02 |
| Feb | 0.70 | 0.70 | 0.00 |
| Mar | 1.25 | 1.31 | -0.06 |
| Apr | 1.91 | 1.97 | -0.06 |
| May | 3.43 | 3.52 | -0.09 |
| Jun | 3.04 | 3.04 | 0.00 |
| Jul | 3.53 | 3.66 | -0.13 |
| Aug | 2.88 | 3.03 | -0.15 |
| Sep | 1.65 | 1.82 | -0.17 |
| Oct | 1.56 | 1.62 | -0.06 |
| Nov | 0.78 | 0.79 | -0.01 |
| Dec | 0.73 | 0.80 | -0.07 |
21.94 | 22.76 | -0.82 |