| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.56 | -0.12 |
| Feb | 2.79 | 2.90 | -0.11 |
| Mar | 3.76 | 3.79 | -0.03 |
| Apr | 3.70 | 3.81 | -0.11 |
| May | 4.39 | 4.32 | 0.07 |
| Jun | 4.38 | 4.36 | 0.02 |
| Jul | 3.88 | 4.00 | -0.12 |
| Aug | 3.53 | 3.41 | 0.12 |
| Sep | 4.43 | 4.49 | -0.06 |
| Oct | 3.41 | 3.41 | 0.00 |
| Nov | 3.25 | 3.29 | -0.04 |
| Dec | 3.58 | 3.66 | -0.08 |
44.54 | 45.00 | -0.46 |