| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.90 | 2.02 | -0.12 |
| Feb | 1.73 | 1.83 | -0.10 |
| Mar | 1.52 | 1.52 | 0.00 |
| Apr | 1.31 | 1.28 | 0.03 |
| May | 1.34 | 1.41 | -0.07 |
| Jun | 0.67 | 0.77 | -0.10 |
| Jul | 1.78 | 2.15 | -0.37 |
| Aug | 2.33 | 2.60 | -0.27 |
| Sep | 1.92 | 2.23 | -0.31 |
| Oct | 1.66 | 1.79 | -0.13 |
| Nov | 1.48 | 1.71 | -0.23 |
| Dec | 1.74 | 1.82 | -0.08 |
19.38 | 21.13 | -1.75 |