| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.35 | 5.38 | -0.03 |
| Feb | 5.05 | 4.89 | 0.16 |
| Mar | 5.36 | 5.43 | -0.07 |
| Apr | 5.49 | 5.37 | 0.12 |
| May | 4.44 | 4.45 | -0.01 |
| Jun | 4.56 | 4.48 | 0.08 |
| Jul | 4.09 | 3.99 | 0.10 |
| Aug | 3.78 | 3.77 | 0.01 |
| Sep | 3.81 | 3.67 | 0.14 |
| Oct | 4.46 | 4.41 | 0.05 |
| Nov | 4.75 | 4.72 | 0.03 |
| Dec | 5.58 | 5.60 | -0.02 |
56.72 | 56.16 | 0.56 |