| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.97 | -0.19 |
| Feb | 2.49 | 2.40 | 0.09 |
| Mar | 3.39 | 3.45 | -0.06 |
| Apr | 4.04 | 3.91 | 0.13 |
| May | 4.25 | 4.21 | 0.04 |
| Jun | 4.38 | 4.35 | 0.03 |
| Jul | 4.11 | 4.20 | -0.09 |
| Aug | 3.50 | 3.25 | 0.25 |
| Sep | 2.99 | 2.98 | 0.01 |
| Oct | 2.72 | 2.81 | -0.09 |
| Nov | 2.80 | 2.82 | -0.02 |
| Dec | 2.92 | 3.03 | -0.11 |
40.37 | 40.38 | -0.01 |