| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.72 | 0.00 |
| Feb | 1.01 | 1.00 | 0.01 |
| Mar | 1.69 | 1.79 | -0.10 |
| Apr | 2.15 | 2.29 | -0.14 |
| May | 4.33 | 4.48 | -0.15 |
| Jun | 3.83 | 3.65 | 0.18 |
| Jul | 3.82 | 3.76 | 0.06 |
| Aug | 3.59 | 3.53 | 0.06 |
| Sep | 2.20 | 1.93 | 0.27 |
| Oct | 2.09 | 2.09 | 0.00 |
| Nov | 1.07 | 1.06 | 0.01 |
| Dec | 0.99 | 0.97 | 0.02 |
27.49 | 27.27 | 0.22 |