| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.83 | -0.36 |
| Feb | 1.78 | 1.93 | -0.15 |
| Mar | 2.16 | 2.41 | -0.25 |
| Apr | 1.84 | 1.76 | 0.08 |
| May | 1.91 | 1.92 | -0.01 |
| Jun | 2.01 | 1.88 | 0.13 |
| Jul | 0.68 | 0.75 | -0.07 |
| Aug | 0.55 | 0.54 | 0.01 |
| Sep | 0.82 | 0.81 | 0.01 |
| Oct | 1.79 | 2.10 | -0.31 |
| Nov | 2.77 | 2.95 | -0.18 |
| Dec | 3.06 | 3.50 | -0.44 |
21.84 | 23.38 | -1.54 |