| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.69 | 0.11 |
| Feb | 3.25 | 3.18 | 0.07 |
| Mar | 4.02 | 4.11 | -0.09 |
| Apr | 3.50 | 3.34 | 0.16 |
| May | 3.79 | 3.81 | -0.02 |
| Jun | 4.84 | 4.75 | 0.09 |
| Jul | 5.87 | 5.72 | 0.15 |
| Aug | 5.78 | 5.90 | -0.12 |
| Sep | 5.70 | 5.70 | 0.00 |
| Oct | 3.79 | 3.97 | -0.18 |
| Nov | 3.30 | 3.29 | 0.01 |
| Dec | 3.44 | 3.31 | 0.13 |
51.08 | 50.77 | 0.31 |