| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.43 | 0.04 |
| Feb | 1.60 | 1.60 | 0.00 |
| Mar | 2.72 | 2.78 | -0.06 |
| Apr | 3.95 | 3.87 | 0.08 |
| May | 5.38 | 5.35 | 0.03 |
| Jun | 4.82 | 4.68 | 0.14 |
| Jul | 3.46 | 3.56 | -0.10 |
| Aug | 3.47 | 3.45 | 0.02 |
| Sep | 3.74 | 3.59 | 0.15 |
| Oct | 3.42 | 3.37 | 0.05 |
| Nov | 2.25 | 2.28 | -0.03 |
| Dec | 1.92 | 1.84 | 0.08 |
38.20 | 37.80 | 0.40 |