| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.17 | -0.10 |
| Feb | 2.78 | 2.86 | -0.08 |
| Mar | 4.03 | 4.10 | -0.07 |
| Apr | 3.52 | 3.56 | -0.04 |
| May | 4.00 | 4.10 | -0.10 |
| Jun | 4.16 | 4.09 | 0.07 |
| Jul | 4.47 | 4.47 | 0.00 |
| Aug | 4.37 | 4.11 | 0.26 |
| Sep | 4.47 | 4.43 | 0.04 |
| Oct | 4.09 | 4.23 | -0.14 |
| Nov | 3.23 | 3.28 | -0.05 |
| Dec | 3.72 | 3.94 | -0.22 |
45.91 | 46.34 | -0.43 |