| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.90 | 0.10 |
| Feb | 0.79 | 0.71 | 0.08 |
| Mar | 1.07 | 1.03 | 0.04 |
| Apr | 1.83 | 1.88 | -0.05 |
| May | 3.02 | 3.08 | -0.06 |
| Jun | 3.97 | 4.09 | -0.12 |
| Jul | 3.87 | 4.00 | -0.13 |
| Aug | 3.24 | 3.13 | 0.11 |
| Sep | 3.34 | 3.40 | -0.06 |
| Oct | 2.62 | 2.52 | 0.10 |
| Nov | 1.54 | 1.54 | 0.00 |
| Dec | 1.17 | 1.10 | 0.07 |
27.46 | 27.38 | 0.08 |