| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.29 | -0.15 |
| Feb | 2.50 | 2.72 | -0.22 |
| Mar | 1.91 | 2.11 | -0.20 |
| Apr | 0.70 | 0.81 | -0.11 |
| May | 0.63 | 0.53 | 0.10 |
| Jun | 0.34 | 0.32 | 0.02 |
| Jul | 2.56 | 3.64 | -1.08 |
| Aug | 3.37 | 3.40 | -0.03 |
| Sep | 1.82 | 2.05 | -0.23 |
| Oct | 1.16 | 1.22 | -0.06 |
| Nov | 1.18 | 1.09 | 0.09 |
| Dec | 2.02 | 1.88 | 0.14 |
20.33 | 22.06 | -1.73 |