| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.91 | -0.03 |
| Feb | 1.17 | 1.25 | -0.08 |
| Mar | 1.99 | 1.93 | 0.06 |
| Apr | 3.76 | 3.49 | 0.27 |
| May | 5.11 | 4.98 | 0.13 |
| Jun | 5.11 | 5.01 | 0.10 |
| Jul | 4.00 | 3.97 | 0.03 |
| Aug | 4.06 | 3.87 | 0.19 |
| Sep | 3.49 | 3.30 | 0.19 |
| Oct | 2.58 | 2.52 | 0.06 |
| Nov | 1.78 | 1.75 | 0.03 |
| Dec | 1.33 | 1.37 | -0.04 |
35.26 | 34.35 | 0.91 |