| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.77 | -0.11 |
| Feb | 3.19 | 3.23 | -0.04 |
| Mar | 3.99 | 4.08 | -0.09 |
| Apr | 3.66 | 3.58 | 0.08 |
| May | 3.48 | 3.40 | 0.08 |
| Jun | 3.99 | 4.03 | -0.04 |
| Jul | 3.59 | 3.71 | -0.12 |
| Aug | 4.16 | 4.07 | 0.09 |
| Sep | 3.56 | 3.66 | -0.10 |
| Oct | 3.07 | 3.13 | -0.06 |
| Nov | 3.32 | 3.34 | -0.02 |
| Dec | 3.69 | 3.85 | -0.16 |
43.36 | 43.85 | -0.49 |