| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.18 | 0.11 |
| Feb | 1.82 | 1.75 | 0.07 |
| Mar | 1.98 | 1.94 | 0.04 |
| Apr | 2.37 | 2.23 | 0.14 |
| May | 3.70 | 3.27 | 0.43 |
| Jun | 8.72 | 9.42 | -0.70 |
| Jul | 8.26 | 8.73 | -0.47 |
| Aug | 9.16 | 9.69 | -0.53 |
| Sep | 8.08 | 8.82 | -0.74 |
| Oct | 3.68 | 3.70 | -0.02 |
| Nov | 1.66 | 1.54 | 0.12 |
| Dec | 1.87 | 1.72 | 0.15 |
53.59 | 54.99 | -1.40 |