| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.39 | 0.01 |
| Feb | 0.32 | 0.31 | 0.01 |
| Mar | 0.45 | 0.43 | 0.02 |
| Apr | 1.15 | 1.05 | 0.10 |
| May | 1.85 | 1.67 | 0.18 |
| Jun | 2.58 | 2.61 | -0.03 |
| Jul | 1.04 | 1.08 | -0.04 |
| Aug | 1.10 | 1.06 | 0.04 |
| Sep | 1.07 | 1.03 | 0.04 |
| Oct | 0.82 | 0.73 | 0.09 |
| Nov | 0.50 | 0.50 | 0.00 |
| Dec | 0.39 | 0.38 | 0.01 |
11.67 | 11.24 | 0.43 |