| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.46 | -0.03 |
| Feb | 1.53 | 1.54 | -0.01 |
| Mar | 2.11 | 2.08 | 0.03 |
| Apr | 3.76 | 3.80 | -0.04 |
| May | 4.20 | 4.26 | -0.06 |
| Jun | 5.47 | 5.46 | 0.01 |
| Jul | 4.43 | 4.23 | 0.20 |
| Aug | 4.13 | 4.20 | -0.07 |
| Sep | 3.70 | 3.65 | 0.05 |
| Oct | 2.97 | 2.95 | 0.02 |
| Nov | 2.34 | 2.30 | 0.04 |
| Dec | 1.72 | 1.76 | -0.04 |
37.79 | 37.69 | 0.10 |