| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.68 | -0.07 |
| Feb | 0.83 | 0.77 | 0.06 |
| Mar | 1.77 | 1.79 | -0.02 |
| Apr | 2.60 | 2.38 | 0.22 |
| May | 2.43 | 2.44 | -0.01 |
| Jun | 1.88 | 2.09 | -0.21 |
| Jul | 2.43 | 2.57 | -0.14 |
| Aug | 2.47 | 2.87 | -0.40 |
| Sep | 1.73 | 1.70 | 0.03 |
| Oct | 1.23 | 1.14 | 0.09 |
| Nov | 0.83 | 0.80 | 0.03 |
| Dec | 0.66 | 0.73 | -0.07 |
19.47 | 19.96 | -0.49 |