| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.30 | 0.00 |
| Feb | 0.46 | 0.45 | 0.01 |
| Mar | 0.89 | 0.89 | 0.00 |
| Apr | 1.94 | 1.88 | 0.06 |
| May | 2.83 | 2.85 | -0.02 |
| Jun | 2.91 | 2.95 | -0.04 |
| Jul | 2.59 | 2.58 | 0.01 |
| Aug | 2.30 | 2.26 | 0.04 |
| Sep | 1.42 | 1.38 | 0.04 |
| Oct | 1.31 | 1.25 | 0.06 |
| Nov | 0.49 | 0.48 | 0.01 |
| Dec | 0.38 | 0.36 | 0.02 |
17.82 | 17.63 | 0.19 |