| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.51 | 0.00 |
| Feb | 0.57 | 0.56 | 0.01 |
| Mar | 0.93 | 0.91 | 0.02 |
| Apr | 1.78 | 1.69 | 0.09 |
| May | 3.23 | 3.25 | -0.02 |
| Jun | 3.84 | 3.91 | -0.07 |
| Jul | 3.51 | 3.42 | 0.09 |
| Aug | 2.53 | 2.39 | 0.14 |
| Sep | 2.33 | 2.36 | -0.03 |
| Oct | 2.03 | 1.99 | 0.04 |
| Nov | 0.69 | 0.70 | -0.01 |
| Dec | 0.60 | 0.63 | -0.03 |
22.55 | 22.32 | 0.23 |