| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.41 | -0.03 |
| Feb | 0.36 | 0.36 | 0.00 |
| Mar | 1.02 | 1.11 | -0.09 |
| Apr | 1.49 | 1.42 | 0.07 |
| May | 2.07 | 1.96 | 0.11 |
| Jun | 2.71 | 2.62 | 0.09 |
| Jul | 2.83 | 2.77 | 0.06 |
| Aug | 2.87 | 2.94 | -0.07 |
| Sep | 1.26 | 1.38 | -0.12 |
| Oct | 1.56 | 1.62 | -0.06 |
| Nov | 0.48 | 0.50 | -0.02 |
| Dec | 0.59 | 0.69 | -0.10 |
17.62 | 17.78 | -0.16 |