| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.21 | 0.22 | -0.01 |
| Feb | 0.23 | 0.25 | -0.02 |
| Mar | 0.57 | 0.66 | -0.09 |
| Apr | 1.09 | 1.20 | -0.11 |
| May | 1.54 | 1.55 | -0.01 |
| Jun | 1.48 | 1.47 | 0.01 |
| Jul | 2.41 | 2.24 | 0.17 |
| Aug | 2.17 | 2.07 | 0.10 |
| Sep | 0.80 | 0.76 | 0.04 |
| Oct | 0.76 | 0.82 | -0.06 |
| Nov | 0.32 | 0.34 | -0.02 |
| Dec | 0.22 | 0.26 | -0.04 |
11.80 | 11.84 | -0.04 |