| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.93 | -0.08 |
| Feb | 3.37 | 3.43 | -0.06 |
| Mar | 3.66 | 3.74 | -0.08 |
| Apr | 3.33 | 3.34 | -0.01 |
| May | 4.10 | 4.20 | -0.10 |
| Jun | 4.98 | 5.06 | -0.08 |
| Jul | 6.42 | 6.45 | -0.03 |
| Aug | 6.91 | 6.90 | 0.01 |
| Sep | 7.02 | 6.82 | 0.20 |
| Oct | 3.83 | 3.97 | -0.14 |
| Nov | 3.48 | 3.52 | -0.04 |
| Dec | 3.79 | 3.72 | 0.07 |
54.74 | 55.08 | -0.34 |