| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 0.99 | 0.04 |
| Feb | 0.94 | 0.82 | 0.12 |
| Mar | 1.07 | 1.07 | 0.00 |
| Apr | 1.94 | 2.01 | -0.07 |
| May | 2.94 | 2.95 | -0.01 |
| Jun | 3.97 | 3.94 | 0.03 |
| Jul | 3.91 | 4.08 | -0.17 |
| Aug | 3.02 | 3.13 | -0.11 |
| Sep | 3.52 | 3.59 | -0.07 |
| Oct | 2.73 | 2.75 | -0.02 |
| Nov | 1.76 | 1.54 | 0.22 |
| Dec | 1.38 | 1.28 | 0.10 |
28.21 | 28.15 | 0.06 |