| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.93 | -0.05 |
| Feb | 0.82 | 0.78 | 0.04 |
| Mar | 1.07 | 1.09 | -0.02 |
| Apr | 1.95 | 1.98 | -0.03 |
| May | 3.02 | 3.01 | 0.01 |
| Jun | 4.17 | 4.09 | 0.08 |
| Jul | 3.93 | 3.89 | 0.04 |
| Aug | 3.38 | 3.12 | 0.26 |
| Sep | 3.55 | 3.56 | -0.01 |
| Oct | 2.68 | 2.59 | 0.09 |
| Nov | 1.51 | 1.47 | 0.04 |
| Dec | 1.05 | 1.16 | -0.11 |
28.01 | 27.67 | 0.34 |