| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.51 | -0.02 |
| Feb | 0.67 | 0.68 | -0.01 |
| Mar | 1.39 | 1.38 | 0.01 |
| Apr | 2.97 | 3.00 | -0.03 |
| May | 4.02 | 4.03 | -0.01 |
| Jun | 4.05 | 3.95 | 0.10 |
| Jul | 3.40 | 3.20 | 0.20 |
| Aug | 3.01 | 3.12 | -0.11 |
| Sep | 2.15 | 2.15 | 0.00 |
| Oct | 2.00 | 2.05 | -0.05 |
| Nov | 0.96 | 0.97 | -0.01 |
| Dec | 0.65 | 0.71 | -0.06 |
25.76 | 25.75 | 0.01 |