| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.68 | -0.02 |
| Feb | 0.65 | 0.62 | 0.03 |
| Mar | 1.07 | 1.14 | -0.07 |
| Apr | 1.27 | 1.26 | 0.01 |
| May | 2.74 | 2.56 | 0.18 |
| Jun | 2.60 | 2.60 | 0.00 |
| Jul | 2.04 | 1.98 | 0.06 |
| Aug | 1.91 | 1.88 | 0.03 |
| Sep | 2.48 | 2.40 | 0.08 |
| Oct | 1.49 | 1.59 | -0.10 |
| Nov | 0.75 | 0.83 | -0.08 |
| Dec | 0.75 | 0.78 | -0.03 |
18.41 | 18.32 | 0.09 |