| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.88 | -0.08 |
| Feb | 0.71 | 0.79 | -0.08 |
| Mar | 1.04 | 1.11 | -0.07 |
| Apr | 1.82 | 1.92 | -0.10 |
| May | 2.92 | 2.95 | -0.03 |
| Jun | 4.20 | 4.23 | -0.03 |
| Jul | 3.82 | 3.90 | -0.08 |
| Aug | 3.40 | 3.24 | 0.16 |
| Sep | 3.47 | 3.53 | -0.06 |
| Oct | 2.56 | 2.65 | -0.09 |
| Nov | 1.44 | 1.42 | 0.02 |
| Dec | 0.98 | 1.13 | -0.15 |
27.16 | 27.75 | -0.59 |