| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.75 | -0.30 |
| Feb | 2.02 | 2.14 | -0.12 |
| Mar | 2.74 | 2.77 | -0.03 |
| Apr | 3.93 | 3.87 | 0.06 |
| May | 4.33 | 4.37 | -0.04 |
| Jun | 4.86 | 4.82 | 0.04 |
| Jul | 4.48 | 4.48 | 0.00 |
| Aug | 3.46 | 3.36 | 0.10 |
| Sep | 2.99 | 2.96 | 0.03 |
| Oct | 3.11 | 3.05 | 0.06 |
| Nov | 3.01 | 3.12 | -0.11 |
| Dec | 2.45 | 2.55 | -0.10 |
39.83 | 40.24 | -0.41 |