| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.17 | -0.08 |
| Feb | 2.95 | 2.87 | 0.08 |
| Mar | 3.89 | 3.67 | 0.22 |
| Apr | 3.87 | 3.95 | -0.08 |
| May | 4.17 | 4.31 | -0.14 |
| Jun | 4.30 | 4.30 | 0.00 |
| Jul | 4.41 | 4.43 | -0.02 |
| Aug | 3.31 | 3.32 | -0.01 |
| Sep | 3.37 | 3.20 | 0.17 |
| Oct | 3.02 | 2.98 | 0.04 |
| Nov | 2.90 | 2.85 | 0.05 |
| Dec | 3.20 | 3.29 | -0.09 |
42.48 | 42.34 | 0.14 |