| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.29 | 0.00 |
| Feb | 2.79 | 2.88 | -0.09 |
| Mar | 4.14 | 4.37 | -0.23 |
| Apr | 3.68 | 3.66 | 0.02 |
| May | 4.18 | 4.33 | -0.15 |
| Jun | 4.23 | 4.36 | -0.13 |
| Jul | 4.65 | 4.65 | 0.00 |
| Aug | 4.37 | 4.13 | 0.24 |
| Sep | 4.74 | 4.79 | -0.05 |
| Oct | 4.24 | 4.56 | -0.32 |
| Nov | 3.49 | 3.47 | 0.02 |
| Dec | 3.84 | 4.16 | -0.32 |
47.64 | 48.65 | -1.01 |