| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.94 | -0.06 |
| Feb | 1.12 | 1.22 | -0.10 |
| Mar | 2.09 | 2.03 | 0.06 |
| Apr | 3.74 | 3.55 | 0.19 |
| May | 5.02 | 4.89 | 0.13 |
| Jun | 4.99 | 5.08 | -0.09 |
| Jul | 4.08 | 3.99 | 0.09 |
| Aug | 3.98 | 3.91 | 0.07 |
| Sep | 3.39 | 3.33 | 0.06 |
| Oct | 2.55 | 2.59 | -0.04 |
| Nov | 1.80 | 1.78 | 0.02 |
| Dec | 1.32 | 1.39 | -0.07 |
34.96 | 34.70 | 0.26 |