| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.73 | -0.56 |
| Feb | 2.69 | 3.16 | -0.47 |
| Mar | 3.22 | 3.57 | -0.35 |
| Apr | 3.73 | 4.14 | -0.41 |
| May | 4.23 | 4.49 | -0.26 |
| Jun | 4.68 | 5.02 | -0.34 |
| Jul | 4.63 | 4.65 | -0.02 |
| Aug | 4.31 | 4.47 | -0.16 |
| Sep | 4.07 | 4.23 | -0.16 |
| Oct | 4.57 | 4.97 | -0.40 |
| Nov | 3.60 | 4.12 | -0.52 |
| Dec | 3.74 | 4.23 | -0.49 |
46.64 | 50.78 | -4.14 |