| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.30 | -0.07 |
| Feb | 2.83 | 2.91 | -0.08 |
| Mar | 4.12 | 4.14 | -0.02 |
| Apr | 3.40 | 3.49 | -0.09 |
| May | 3.75 | 3.98 | -0.23 |
| Jun | 4.11 | 4.12 | -0.01 |
| Jul | 4.19 | 4.38 | -0.19 |
| Aug | 4.50 | 4.79 | -0.29 |
| Sep | 4.07 | 4.05 | 0.02 |
| Oct | 3.78 | 4.14 | -0.36 |
| Nov | 3.19 | 3.19 | 0.00 |
| Dec | 3.76 | 3.85 | -0.09 |
44.93 | 46.34 | -1.41 |