| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.29 | -0.01 |
| Feb | 2.07 | 1.99 | 0.08 |
| Mar | 2.89 | 2.86 | 0.03 |
| Apr | 2.52 | 2.45 | 0.07 |
| May | 4.57 | 4.23 | 0.34 |
| Jun | 3.49 | 3.45 | 0.04 |
| Jul | 2.15 | 2.13 | 0.02 |
| Aug | 2.48 | 2.31 | 0.17 |
| Sep | 3.28 | 3.37 | -0.09 |
| Oct | 3.88 | 3.74 | 0.14 |
| Nov | 2.77 | 2.59 | 0.18 |
| Dec | 2.37 | 2.43 | -0.06 |
34.75 | 33.84 | 0.91 |