| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.68 | 0.01 |
| Feb | 0.93 | 0.98 | -0.05 |
| Mar | 1.56 | 1.58 | -0.02 |
| Apr | 2.39 | 2.43 | -0.04 |
| May | 4.49 | 4.53 | -0.04 |
| Jun | 3.89 | 3.89 | 0.00 |
| Jul | 4.02 | 4.01 | 0.01 |
| Aug | 3.59 | 3.72 | -0.13 |
| Sep | 2.45 | 2.42 | 0.03 |
| Oct | 2.01 | 1.96 | 0.05 |
| Nov | 1.11 | 1.15 | -0.04 |
| Dec | 1.01 | 1.03 | -0.02 |
28.14 | 28.38 | -0.24 |