| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.43 | -0.03 |
| Feb | 0.44 | 0.32 | 0.12 |
| Mar | 0.47 | 0.51 | -0.04 |
| Apr | 0.46 | 0.50 | -0.04 |
| May | 0.42 | 0.51 | -0.09 |
| Jun | 0.58 | 0.55 | 0.03 |
| Jul | 1.57 | 1.83 | -0.26 |
| Aug | 1.74 | 1.40 | 0.34 |
| Sep | 1.13 | 1.07 | 0.06 |
| Oct | 0.89 | 0.98 | -0.09 |
| Nov | 0.51 | 0.49 | 0.02 |
| Dec | 0.58 | 0.53 | 0.05 |
9.19 | 9.12 | 0.07 |