| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 1.84 | -0.01 |
| Feb | 2.03 | 1.97 | 0.06 |
| Mar | 2.83 | 2.87 | -0.04 |
| Apr | 2.42 | 2.28 | 0.14 |
| May | 4.32 | 4.07 | 0.25 |
| Jun | 3.27 | 2.98 | 0.29 |
| Jul | 2.10 | 2.09 | 0.01 |
| Aug | 2.23 | 2.16 | 0.07 |
| Sep | 3.04 | 3.03 | 0.01 |
| Oct | 3.46 | 3.37 | 0.09 |
| Nov | 2.54 | 2.43 | 0.11 |
| Dec | 2.01 | 2.06 | -0.05 |
32.08 | 31.15 | 0.93 |