| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.72 | -0.07 |
| Feb | 3.74 | 3.72 | 0.02 |
| Mar | 4.05 | 4.14 | -0.09 |
| Apr | 3.71 | 3.95 | -0.24 |
| May | 4.22 | 4.66 | -0.44 |
| Jun | 4.00 | 3.89 | 0.11 |
| Jul | 2.51 | 2.59 | -0.08 |
| Aug | 2.64 | 2.74 | -0.10 |
| Sep | 3.22 | 2.99 | 0.23 |
| Oct | 4.90 | 4.97 | -0.07 |
| Nov | 3.54 | 3.59 | -0.05 |
| Dec | 4.31 | 4.36 | -0.05 |
44.49 | 45.32 | -0.83 |