| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.42 | -0.01 |
| Feb | 0.47 | 0.52 | -0.05 |
| Mar | 1.13 | 1.31 | -0.18 |
| Apr | 1.99 | 2.09 | -0.10 |
| May | 2.53 | 2.83 | -0.30 |
| Jun | 1.73 | 1.84 | -0.11 |
| Jul | 1.54 | 1.76 | -0.22 |
| Aug | 1.35 | 1.44 | -0.09 |
| Sep | 1.34 | 1.47 | -0.13 |
| Oct | 1.12 | 1.25 | -0.13 |
| Nov | 0.70 | 0.78 | -0.08 |
| Dec | 0.44 | 0.49 | -0.05 |
14.75 | 16.20 | -1.45 |