| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.62 | 0.07 |
| Feb | 0.69 | 0.65 | 0.04 |
| Mar | 1.33 | 1.30 | 0.03 |
| Apr | 2.38 | 2.37 | 0.01 |
| May | 3.24 | 3.19 | 0.05 |
| Jun | 4.23 | 4.39 | -0.16 |
| Jul | 3.78 | 4.05 | -0.27 |
| Aug | 3.59 | 3.79 | -0.20 |
| Sep | 2.74 | 2.78 | -0.04 |
| Oct | 2.37 | 2.33 | 0.04 |
| Nov | 1.19 | 1.11 | 0.08 |
| Dec | 0.78 | 0.78 | 0.00 |
27.01 | 27.36 | -0.35 |