| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.36 | 4.41 | -0.05 |
| Feb | 4.81 | 4.71 | 0.10 |
| Mar | 5.00 | 5.08 | -0.08 |
| Apr | 4.94 | 5.03 | -0.09 |
| May | 4.99 | 5.44 | -0.45 |
| Jun | 4.60 | 4.79 | -0.19 |
| Jul | 5.06 | 5.40 | -0.34 |
| Aug | 3.73 | 3.98 | -0.25 |
| Sep | 3.78 | 3.80 | -0.02 |
| Oct | 3.58 | 3.59 | -0.01 |
| Nov | 3.79 | 3.79 | 0.00 |
| Dec | 4.94 | 4.97 | -0.03 |
53.58 | 54.99 | -1.41 |