| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.76 | -0.11 |
| Feb | 1.58 | 1.71 | -0.13 |
| Mar | 2.05 | 1.97 | 0.08 |
| Apr | 3.71 | 3.85 | -0.14 |
| May | 3.75 | 3.89 | -0.14 |
| Jun | 4.34 | 4.68 | -0.34 |
| Jul | 3.44 | 3.53 | -0.09 |
| Aug | 3.68 | 3.76 | -0.08 |
| Sep | 3.28 | 3.30 | -0.02 |
| Oct | 2.87 | 2.85 | 0.02 |
| Nov | 2.16 | 2.19 | -0.03 |
| Dec | 1.89 | 2.00 | -0.11 |
34.40 | 35.49 | -1.09 |