| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.54 | -0.10 |
| Feb | 1.26 | 1.12 | 0.14 |
| Mar | 1.22 | 1.30 | -0.08 |
| Apr | 1.31 | 1.32 | -0.01 |
| May | 1.97 | 1.97 | 0.00 |
| Jun | 1.74 | 2.00 | -0.26 |
| Jul | 0.88 | 0.99 | -0.11 |
| Aug | 0.56 | 0.58 | -0.02 |
| Sep | 0.68 | 0.78 | -0.10 |
| Oct | 1.12 | 1.15 | -0.03 |
| Nov | 1.57 | 1.56 | 0.01 |
| Dec | 1.96 | 1.71 | 0.25 |
15.71 | 16.02 | -0.31 |