| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.38 | 0.09 |
| Feb | 1.79 | 1.72 | 0.07 |
| Mar | 2.39 | 2.31 | 0.08 |
| Apr | 2.24 | 2.20 | 0.04 |
| May | 4.05 | 3.94 | 0.11 |
| Jun | 3.40 | 3.34 | 0.06 |
| Jul | 2.00 | 1.87 | 0.13 |
| Aug | 2.07 | 2.15 | -0.08 |
| Sep | 2.93 | 2.88 | 0.05 |
| Oct | 3.04 | 2.80 | 0.24 |
| Nov | 1.90 | 1.83 | 0.07 |
| Dec | 1.65 | 1.57 | 0.08 |
28.93 | 27.99 | 0.94 |