| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.27 | 0.03 |
| Feb | 3.24 | 3.24 | 0.00 |
| Mar | 4.15 | 4.06 | 0.09 |
| Apr | 3.78 | 3.74 | 0.04 |
| May | 4.91 | 4.99 | -0.08 |
| Jun | 4.52 | 4.55 | -0.03 |
| Jul | 5.25 | 5.60 | -0.35 |
| Aug | 3.87 | 3.60 | 0.27 |
| Sep | 3.46 | 3.46 | 0.00 |
| Oct | 3.07 | 3.05 | 0.02 |
| Nov | 3.07 | 2.98 | 0.09 |
| Dec | 3.74 | 3.79 | -0.05 |
46.36 | 46.33 | 0.03 |