| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.53 | 0.03 |
| Feb | 0.72 | 0.66 | 0.06 |
| Mar | 1.53 | 1.46 | 0.07 |
| Apr | 2.79 | 2.79 | 0.00 |
| May | 4.43 | 4.36 | 0.07 |
| Jun | 4.06 | 4.01 | 0.05 |
| Jul | 3.50 | 3.38 | 0.12 |
| Aug | 3.31 | 3.35 | -0.04 |
| Sep | 2.27 | 2.27 | 0.00 |
| Oct | 2.12 | 2.09 | 0.03 |
| Nov | 1.20 | 1.11 | 0.09 |
| Dec | 0.85 | 0.77 | 0.08 |
27.34 | 26.78 | 0.56 |