| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.91 | -0.03 |
| Feb | 1.17 | 1.25 | -0.08 |
| Mar | 2.01 | 1.96 | 0.05 |
| Apr | 3.77 | 3.53 | 0.24 |
| May | 5.13 | 4.99 | 0.14 |
| Jun | 5.09 | 5.03 | 0.06 |
| Jul | 4.02 | 3.99 | 0.03 |
| Aug | 4.04 | 3.88 | 0.16 |
| Sep | 3.49 | 3.32 | 0.17 |
| Oct | 2.59 | 2.55 | 0.04 |
| Nov | 1.78 | 1.76 | 0.02 |
| Dec | 1.34 | 1.37 | -0.03 |
35.31 | 34.54 | 0.77 |