| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.05 | 1.83 | 0.22 |
| Feb | 1.90 | 1.84 | 0.06 |
| Mar | 1.63 | 1.64 | -0.01 |
| Apr | 0.72 | 0.69 | 0.03 |
| May | 0.59 | 0.69 | -0.10 |
| Jun | 0.45 | 0.44 | 0.01 |
| Jul | 2.76 | 3.09 | -0.33 |
| Aug | 3.42 | 3.35 | 0.07 |
| Sep | 1.76 | 1.86 | -0.10 |
| Oct | 1.61 | 1.66 | -0.05 |
| Nov | 1.38 | 1.45 | -0.07 |
| Dec | 1.75 | 2.02 | -0.27 |
20.02 | 20.56 | -0.54 |