| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.92 | -0.09 |
| Feb | 0.83 | 0.84 | -0.01 |
| Mar | 1.13 | 1.14 | -0.01 |
| Apr | 1.99 | 2.06 | -0.07 |
| May | 3.06 | 3.00 | 0.06 |
| Jun | 4.30 | 4.27 | 0.03 |
| Jul | 4.04 | 4.12 | -0.08 |
| Aug | 3.44 | 3.35 | 0.09 |
| Sep | 3.54 | 3.57 | -0.03 |
| Oct | 2.69 | 2.66 | 0.03 |
| Nov | 1.46 | 1.49 | -0.03 |
| Dec | 1.06 | 1.20 | -0.14 |
28.37 | 28.62 | -0.25 |