| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.78 | -0.16 |
| Feb | 1.37 | 1.43 | -0.06 |
| Mar | 1.88 | 1.85 | 0.03 |
| Apr | 2.00 | 2.06 | -0.06 |
| May | 2.21 | 2.17 | 0.04 |
| Jun | 1.22 | 1.23 | -0.01 |
| Jul | 0.54 | 0.50 | 0.04 |
| Aug | 0.71 | 0.75 | -0.04 |
| Sep | 1.25 | 1.27 | -0.02 |
| Oct | 1.68 | 1.66 | 0.02 |
| Nov | 1.23 | 1.33 | -0.10 |
| Dec | 1.43 | 1.47 | -0.04 |
17.14 | 17.50 | -0.36 |