| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.54 | 6.08 | 0.46 |
| Feb | 4.70 | 4.40 | 0.30 |
| Mar | 4.87 | 4.81 | 0.06 |
| Apr | 3.65 | 3.55 | 0.10 |
| May | 2.72 | 2.59 | 0.13 |
| Jun | 1.80 | 1.85 | -0.05 |
| Jul | 0.49 | 0.48 | 0.01 |
| Aug | 0.65 | 0.60 | 0.05 |
| Sep | 1.69 | 1.68 | 0.01 |
| Oct | 4.02 | 3.91 | 0.11 |
| Nov | 6.75 | 6.35 | 0.40 |
| Dec | 7.41 | 7.07 | 0.34 |
45.29 | 43.37 | 1.92 |