| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.81 | -0.11 |
| Feb | 0.93 | 1.09 | -0.16 |
| Mar | 1.72 | 2.09 | -0.37 |
| Apr | 2.74 | 2.97 | -0.23 |
| May | 2.69 | 2.78 | -0.09 |
| Jun | 1.92 | 1.83 | 0.09 |
| Jul | 2.35 | 2.37 | -0.02 |
| Aug | 2.21 | 2.10 | 0.11 |
| Sep | 1.67 | 1.67 | 0.00 |
| Oct | 1.29 | 1.33 | -0.04 |
| Nov | 0.95 | 1.02 | -0.07 |
| Dec | 0.67 | 0.88 | -0.21 |
19.84 | 20.94 | -1.10 |