| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.89 | -0.08 |
| Feb | 2.25 | 2.34 | -0.09 |
| Mar | 2.99 | 3.14 | -0.15 |
| Apr | 3.68 | 3.76 | -0.08 |
| May | 3.86 | 4.00 | -0.14 |
| Jun | 4.19 | 4.27 | -0.08 |
| Jul | 4.16 | 4.17 | -0.01 |
| Aug | 3.68 | 3.70 | -0.02 |
| Sep | 3.89 | 3.79 | 0.10 |
| Oct | 3.40 | 3.38 | 0.02 |
| Nov | 3.06 | 2.97 | 0.09 |
| Dec | 3.00 | 3.07 | -0.07 |
40.97 | 41.48 | -0.51 |