| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.60 | -0.01 |
| Feb | 0.49 | 0.45 | 0.04 |
| Mar | 1.20 | 1.15 | 0.05 |
| Apr | 1.30 | 1.30 | 0.00 |
| May | 2.25 | 2.29 | -0.04 |
| Jun | 2.90 | 2.86 | 0.04 |
| Jul | 2.52 | 2.62 | -0.10 |
| Aug | 2.82 | 2.88 | -0.06 |
| Sep | 1.71 | 1.71 | 0.00 |
| Oct | 1.84 | 1.94 | -0.10 |
| Nov | 0.69 | 0.71 | -0.02 |
| Dec | 0.70 | 0.71 | -0.01 |
19.01 | 19.22 | -0.21 |