| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.41 | -0.01 |
| Feb | 0.45 | 0.49 | -0.04 |
| Mar | 1.09 | 1.25 | -0.16 |
| Apr | 1.97 | 2.00 | -0.03 |
| May | 2.48 | 2.76 | -0.28 |
| Jun | 1.74 | 1.69 | 0.05 |
| Jul | 1.56 | 1.48 | 0.08 |
| Aug | 1.35 | 1.37 | -0.02 |
| Sep | 1.32 | 1.31 | 0.01 |
| Oct | 1.11 | 1.22 | -0.11 |
| Nov | 0.68 | 0.72 | -0.04 |
| Dec | 0.41 | 0.50 | -0.09 |
14.56 | 15.20 | -0.64 |