| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.65 | -0.14 |
| Feb | 1.29 | 1.48 | -0.19 |
| Mar | 1.84 | 1.97 | -0.13 |
| Apr | 3.40 | 3.56 | -0.16 |
| May | 3.64 | 3.77 | -0.13 |
| Jun | 4.01 | 3.99 | 0.02 |
| Jul | 3.49 | 3.43 | 0.06 |
| Aug | 3.36 | 3.39 | -0.03 |
| Sep | 2.59 | 2.66 | -0.07 |
| Oct | 2.78 | 2.87 | -0.09 |
| Nov | 2.07 | 2.07 | 0.00 |
| Dec | 1.73 | 1.88 | -0.15 |
31.71 | 32.72 | -1.01 |