| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.73 | -0.11 |
| Feb | 3.22 | 3.22 | 0.00 |
| Mar | 4.09 | 4.07 | 0.02 |
| Apr | 3.80 | 3.68 | 0.12 |
| May | 3.57 | 3.55 | 0.02 |
| Jun | 4.22 | 4.19 | 0.03 |
| Jul | 3.78 | 3.70 | 0.08 |
| Aug | 4.20 | 4.12 | 0.08 |
| Sep | 3.72 | 3.79 | -0.07 |
| Oct | 3.22 | 3.23 | -0.01 |
| Nov | 3.35 | 3.25 | 0.10 |
| Dec | 3.84 | 3.90 | -0.06 |
44.63 | 44.43 | 0.20 |