| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.16 | 2.15 | 0.01 |
| Feb | 1.89 | 1.95 | -0.06 |
| Mar | 2.41 | 2.32 | 0.09 |
| Apr | 3.81 | 3.75 | 0.06 |
| May | 4.56 | 4.54 | 0.02 |
| Jun | 4.56 | 4.48 | 0.08 |
| Jul | 4.28 | 4.42 | -0.14 |
| Aug | 4.05 | 3.95 | 0.10 |
| Sep | 3.41 | 3.38 | 0.03 |
| Oct | 3.39 | 3.34 | 0.05 |
| Nov | 2.65 | 2.63 | 0.02 |
| Dec | 2.20 | 2.16 | 0.04 |
39.37 | 39.07 | 0.30 |