| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 2.05 | -0.30 |
| Feb | 1.70 | 1.78 | -0.08 |
| Mar | 2.39 | 2.89 | -0.50 |
| Apr | 2.38 | 2.61 | -0.23 |
| May | 4.39 | 4.87 | -0.48 |
| Jun | 3.25 | 3.51 | -0.26 |
| Jul | 2.30 | 2.89 | -0.59 |
| Aug | 2.31 | 2.20 | 0.11 |
| Sep | 3.56 | 3.99 | -0.43 |
| Oct | 2.97 | 3.01 | -0.04 |
| Nov | 2.07 | 2.14 | -0.07 |
| Dec | 1.67 | 2.07 | -0.40 |
30.74 | 34.01 | -3.27 |