| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.43 | -0.14 |
| Feb | 2.99 | 2.98 | 0.01 |
| Mar | 3.97 | 4.02 | -0.05 |
| Apr | 4.66 | 4.65 | 0.01 |
| May | 4.88 | 4.89 | -0.01 |
| Jun | 4.71 | 4.64 | 0.07 |
| Jul | 4.19 | 4.07 | 0.12 |
| Aug | 3.37 | 3.24 | 0.13 |
| Sep | 3.17 | 3.31 | -0.14 |
| Oct | 3.25 | 3.29 | -0.04 |
| Nov | 3.23 | 3.26 | -0.03 |
| Dec | 3.62 | 3.68 | -0.06 |
45.33 | 45.46 | -0.13 |