| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.66 | -0.01 |
| Feb | 0.62 | 0.61 | 0.01 |
| Mar | 1.07 | 1.10 | -0.03 |
| Apr | 1.16 | 1.13 | 0.03 |
| May | 2.45 | 2.35 | 0.10 |
| Jun | 2.55 | 2.56 | -0.01 |
| Jul | 2.05 | 2.00 | 0.05 |
| Aug | 1.97 | 2.02 | -0.05 |
| Sep | 2.42 | 2.38 | 0.04 |
| Oct | 1.50 | 1.54 | -0.04 |
| Nov | 0.78 | 0.84 | -0.06 |
| Dec | 0.75 | 0.76 | -0.01 |
17.97 | 17.95 | 0.02 |