| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.36 | -0.10 |
| Feb | 2.03 | 2.04 | -0.01 |
| Mar | 2.40 | 2.43 | -0.03 |
| Apr | 3.44 | 3.50 | -0.06 |
| May | 3.80 | 3.91 | -0.11 |
| Jun | 3.75 | 3.64 | 0.11 |
| Jul | 3.59 | 3.69 | -0.10 |
| Aug | 3.45 | 3.50 | -0.05 |
| Sep | 3.07 | 2.91 | 0.16 |
| Oct | 2.64 | 2.74 | -0.10 |
| Nov | 2.52 | 2.61 | -0.09 |
| Dec | 2.30 | 2.39 | -0.09 |
35.25 | 35.72 | -0.47 |