| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.81 | -0.03 |
| Feb | 0.87 | 0.78 | 0.09 |
| Mar | 1.79 | 1.67 | 0.12 |
| Apr | 3.27 | 3.08 | 0.19 |
| May | 4.40 | 4.27 | 0.13 |
| Jun | 5.01 | 4.89 | 0.12 |
| Jul | 3.95 | 4.01 | -0.06 |
| Aug | 3.87 | 3.79 | 0.08 |
| Sep | 3.27 | 3.24 | 0.03 |
| Oct | 2.50 | 2.48 | 0.02 |
| Nov | 1.49 | 1.41 | 0.08 |
| Dec | 1.07 | 1.00 | 0.07 |
32.27 | 31.43 | 0.84 |