| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.62 | 0.04 |
| Feb | 0.65 | 0.61 | 0.04 |
| Mar | 1.43 | 1.43 | 0.00 |
| Apr | 1.95 | 1.93 | 0.02 |
| May | 3.10 | 3.01 | 0.09 |
| Jun | 3.59 | 3.47 | 0.12 |
| Jul | 3.29 | 2.95 | 0.34 |
| Aug | 2.91 | 2.98 | -0.07 |
| Sep | 1.64 | 1.51 | 0.13 |
| Oct | 2.02 | 1.98 | 0.04 |
| Nov | 0.82 | 0.79 | 0.03 |
| Dec | 0.95 | 0.93 | 0.02 |
23.01 | 22.21 | 0.80 |