| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.75 | 0.02 |
| Feb | 0.74 | 0.75 | -0.01 |
| Mar | 1.63 | 1.69 | -0.06 |
| Apr | 2.54 | 2.84 | -0.30 |
| May | 2.42 | 2.60 | -0.18 |
| Jun | 2.02 | 1.95 | 0.07 |
| Jul | 3.18 | 2.80 | 0.38 |
| Aug | 2.70 | 2.95 | -0.25 |
| Sep | 1.56 | 1.72 | -0.16 |
| Oct | 1.25 | 1.29 | -0.04 |
| Nov | 0.98 | 1.04 | -0.06 |
| Dec | 0.85 | 0.75 | 0.10 |
20.64 | 21.13 | -0.49 |