| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.56 | -0.24 |
| Feb | 2.98 | 3.01 | -0.03 |
| Mar | 4.00 | 4.22 | -0.22 |
| Apr | 4.56 | 4.87 | -0.31 |
| May | 4.82 | 4.95 | -0.13 |
| Jun | 4.85 | 4.77 | 0.08 |
| Jul | 4.21 | 4.11 | 0.10 |
| Aug | 3.43 | 3.38 | 0.05 |
| Sep | 3.19 | 3.32 | -0.13 |
| Oct | 3.26 | 3.33 | -0.07 |
| Nov | 3.21 | 3.34 | -0.13 |
| Dec | 3.62 | 3.84 | -0.22 |
45.45 | 46.70 | -1.25 |