| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.31 | 0.08 |
| Feb | 0.37 | 0.34 | 0.03 |
| Mar | 0.83 | 0.76 | 0.07 |
| Apr | 1.35 | 1.32 | 0.03 |
| May | 1.59 | 1.62 | -0.03 |
| Jun | 1.45 | 1.49 | -0.04 |
| Jul | 2.23 | 2.13 | 0.10 |
| Aug | 1.83 | 1.91 | -0.08 |
| Sep | 0.88 | 0.78 | 0.10 |
| Oct | 0.99 | 0.98 | 0.01 |
| Nov | 0.53 | 0.43 | 0.10 |
| Dec | 0.43 | 0.39 | 0.04 |
12.87 | 12.46 | 0.41 |