| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.13 | -0.07 |
| Feb | 2.36 | 2.37 | -0.01 |
| Mar | 3.41 | 3.48 | -0.07 |
| Apr | 4.26 | 4.33 | -0.07 |
| May | 4.50 | 4.42 | 0.08 |
| Jun | 4.48 | 4.56 | -0.08 |
| Jul | 4.09 | 4.09 | 0.00 |
| Aug | 3.19 | 3.09 | 0.10 |
| Sep | 3.12 | 3.05 | 0.07 |
| Oct | 2.97 | 2.92 | 0.05 |
| Nov | 3.00 | 2.99 | 0.01 |
| Dec | 3.07 | 3.06 | 0.01 |
41.51 | 41.49 | 0.02 |