| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.70 | -0.11 |
| Feb | 2.16 | 2.20 | -0.04 |
| Mar | 2.82 | 2.84 | -0.02 |
| Apr | 3.74 | 3.79 | -0.05 |
| May | 4.24 | 4.12 | 0.12 |
| Jun | 4.40 | 4.38 | 0.02 |
| Jul | 4.10 | 4.41 | -0.31 |
| Aug | 3.48 | 3.58 | -0.10 |
| Sep | 2.95 | 2.93 | 0.02 |
| Oct | 2.84 | 2.81 | 0.03 |
| Nov | 2.93 | 2.97 | -0.04 |
| Dec | 2.44 | 2.53 | -0.09 |
38.69 | 39.26 | -0.57 |