| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.87 | -0.12 |
| Feb | 0.78 | 0.88 | -0.10 |
| Mar | 1.56 | 1.60 | -0.04 |
| Apr | 2.99 | 2.99 | 0.00 |
| May | 4.26 | 4.25 | 0.01 |
| Jun | 4.90 | 4.56 | 0.34 |
| Jul | 4.13 | 4.12 | 0.01 |
| Aug | 4.36 | 4.50 | -0.14 |
| Sep | 3.33 | 3.26 | 0.07 |
| Oct | 2.59 | 2.56 | 0.03 |
| Nov | 1.52 | 1.59 | -0.07 |
| Dec | 1.05 | 1.22 | -0.17 |
32.22 | 32.40 | -0.18 |