| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.32 | -0.01 |
| Feb | 0.36 | 0.37 | -0.01 |
| Mar | 0.79 | 0.78 | 0.01 |
| Apr | 1.43 | 1.54 | -0.11 |
| May | 1.57 | 1.51 | 0.06 |
| Jun | 1.20 | 1.12 | 0.08 |
| Jul | 1.76 | 1.89 | -0.13 |
| Aug | 1.96 | 1.99 | -0.03 |
| Sep | 0.86 | 0.74 | 0.12 |
| Oct | 0.87 | 0.85 | 0.02 |
| Nov | 0.55 | 0.48 | 0.07 |
| Dec | 0.30 | 0.29 | 0.01 |
11.96 | 11.88 | 0.08 |