| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.31 | 2.19 | 0.12 |
| Feb | 1.84 | 1.82 | 0.02 |
| Mar | 2.59 | 2.58 | 0.01 |
| Apr | 2.50 | 2.47 | 0.03 |
| May | 4.15 | 4.04 | 0.11 |
| Jun | 3.43 | 3.85 | -0.42 |
| Jul | 2.29 | 2.84 | -0.55 |
| Aug | 2.33 | 2.49 | -0.16 |
| Sep | 3.50 | 3.67 | -0.17 |
| Oct | 3.80 | 3.99 | -0.19 |
| Nov | 2.69 | 2.70 | -0.01 |
| Dec | 2.28 | 2.45 | -0.17 |
33.71 | 35.09 | -1.38 |