| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.46 | -0.06 |
| Feb | 3.11 | 3.25 | -0.14 |
| Mar | 4.49 | 4.38 | 0.11 |
| Apr | 5.08 | 5.09 | -0.01 |
| May | 4.76 | 4.90 | -0.14 |
| Jun | 4.37 | 4.53 | -0.16 |
| Jul | 3.96 | 3.95 | 0.01 |
| Aug | 3.26 | 3.02 | 0.24 |
| Sep | 3.33 | 3.23 | 0.10 |
| Oct | 3.51 | 3.44 | 0.07 |
| Nov | 3.99 | 4.09 | -0.10 |
| Dec | 3.63 | 3.78 | -0.15 |
46.89 | 47.12 | -0.23 |