| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.72 | 0.03 |
| Feb | 3.25 | 3.29 | -0.04 |
| Mar | 4.31 | 4.34 | -0.03 |
| Apr | 4.34 | 4.35 | -0.01 |
| May | 3.95 | 4.07 | -0.12 |
| Jun | 4.69 | 4.60 | 0.09 |
| Jul | 4.33 | 4.45 | -0.12 |
| Aug | 4.45 | 4.66 | -0.21 |
| Sep | 4.73 | 4.84 | -0.11 |
| Oct | 5.30 | 5.48 | -0.18 |
| Nov | 4.08 | 4.09 | -0.01 |
| Dec | 4.64 | 4.70 | -0.06 |
51.82 | 52.59 | -0.77 |