| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.62 | 0.00 |
| Feb | 0.72 | 0.70 | 0.02 |
| Mar | 1.41 | 1.49 | -0.08 |
| Apr | 2.56 | 2.47 | 0.09 |
| May | 4.79 | 4.84 | -0.05 |
| Jun | 3.98 | 4.09 | -0.11 |
| Jul | 3.54 | 3.49 | 0.05 |
| Aug | 3.63 | 3.64 | -0.01 |
| Sep | 2.45 | 2.42 | 0.03 |
| Oct | 2.10 | 2.09 | 0.01 |
| Nov | 1.21 | 1.22 | -0.01 |
| Dec | 0.90 | 0.96 | -0.06 |
27.91 | 28.03 | -0.12 |