| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.80 | -0.05 |
| Feb | 2.20 | 2.26 | -0.06 |
| Mar | 3.07 | 3.04 | 0.03 |
| Apr | 3.88 | 3.96 | -0.08 |
| May | 4.22 | 4.19 | 0.03 |
| Jun | 4.35 | 4.42 | -0.07 |
| Jul | 4.31 | 4.32 | -0.01 |
| Aug | 3.33 | 3.41 | -0.08 |
| Sep | 3.03 | 3.01 | 0.02 |
| Oct | 2.85 | 2.81 | 0.04 |
| Nov | 3.05 | 3.02 | 0.03 |
| Dec | 2.69 | 2.74 | -0.05 |
39.73 | 39.98 | -0.25 |