| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.43 | -0.02 |
| Feb | 0.57 | 0.57 | 0.00 |
| Mar | 1.12 | 1.13 | -0.01 |
| Apr | 2.05 | 2.06 | -0.01 |
| May | 3.31 | 3.29 | 0.02 |
| Jun | 2.91 | 2.60 | 0.31 |
| Jul | 3.53 | 3.58 | -0.05 |
| Aug | 3.08 | 3.02 | 0.06 |
| Sep | 1.73 | 1.79 | -0.06 |
| Oct | 1.69 | 1.60 | 0.09 |
| Nov | 0.76 | 0.75 | 0.01 |
| Dec | 0.60 | 0.69 | -0.09 |
21.76 | 21.51 | 0.25 |