| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.67 | -0.09 |
| Feb | 2.05 | 2.09 | -0.04 |
| Mar | 3.10 | 3.01 | 0.09 |
| Apr | 2.67 | 2.90 | -0.23 |
| May | 4.23 | 4.59 | -0.36 |
| Jun | 4.01 | 4.04 | -0.03 |
| Jul | 3.13 | 3.26 | -0.13 |
| Aug | 2.91 | 3.12 | -0.21 |
| Sep | 4.37 | 4.65 | -0.28 |
| Oct | 3.75 | 3.76 | -0.01 |
| Nov | 2.76 | 2.82 | -0.06 |
| Dec | 2.25 | 2.43 | -0.18 |
37.81 | 39.34 | -1.53 |