| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.93 | 0.00 |
| Feb | 1.25 | 1.23 | 0.02 |
| Mar | 1.63 | 1.54 | 0.09 |
| Apr | 1.62 | 1.60 | 0.02 |
| May | 2.84 | 2.87 | -0.03 |
| Jun | 2.77 | 2.60 | 0.17 |
| Jul | 1.55 | 1.48 | 0.07 |
| Aug | 2.39 | 2.22 | 0.17 |
| Sep | 2.59 | 2.54 | 0.05 |
| Oct | 2.23 | 2.31 | -0.08 |
| Nov | 1.32 | 1.33 | -0.01 |
| Dec | 0.97 | 0.94 | 0.03 |
22.09 | 21.59 | 0.50 |