| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.26 | -0.17 |
| Feb | 1.82 | 1.94 | -0.12 |
| Mar | 2.57 | 2.63 | -0.06 |
| Apr | 3.78 | 3.72 | 0.06 |
| May | 4.49 | 4.50 | -0.01 |
| Jun | 4.01 | 4.01 | 0.00 |
| Jul | 4.10 | 3.91 | 0.19 |
| Aug | 3.60 | 3.60 | 0.00 |
| Sep | 3.03 | 3.26 | -0.23 |
| Oct | 3.25 | 3.27 | -0.02 |
| Nov | 2.82 | 2.74 | 0.08 |
| Dec | 2.16 | 2.28 | -0.12 |
37.72 | 38.12 | -0.40 |