| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.79 | -0.12 |
| Feb | 3.51 | 3.59 | -0.08 |
| Mar | 3.75 | 3.84 | -0.09 |
| Apr | 3.11 | 3.16 | -0.05 |
| May | 3.53 | 3.54 | -0.01 |
| Jun | 5.14 | 4.99 | 0.15 |
| Jul | 5.15 | 5.15 | 0.00 |
| Aug | 5.04 | 5.09 | -0.05 |
| Sep | 4.24 | 4.36 | -0.12 |
| Oct | 3.25 | 3.41 | -0.16 |
| Nov | 2.89 | 2.91 | -0.02 |
| Dec | 3.68 | 3.75 | -0.07 |
46.96 | 47.58 | -0.62 |