| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 4.25 | -0.01 |
| Feb | 4.08 | 4.07 | 0.01 |
| Mar | 4.49 | 4.66 | -0.17 |
| Apr | 3.37 | 3.42 | -0.05 |
| May | 2.91 | 2.89 | 0.02 |
| Jun | 4.83 | 4.93 | -0.10 |
| Jul | 4.75 | 4.70 | 0.05 |
| Aug | 4.87 | 4.95 | -0.08 |
| Sep | 3.83 | 4.09 | -0.26 |
| Oct | 2.69 | 2.72 | -0.03 |
| Nov | 2.70 | 2.75 | -0.05 |
| Dec | 4.00 | 4.03 | -0.03 |
46.76 | 47.46 | -0.70 |