| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.30 | -0.45 |
| Feb | 3.39 | 3.41 | -0.02 |
| Mar | 1.73 | 1.92 | -0.19 |
| Apr | 0.80 | 0.68 | 0.12 |
| May | 0.30 | 0.29 | 0.01 |
| Jun | 0.03 | 0.04 | -0.01 |
| Jul | 0.05 | 0.10 | -0.05 |
| Aug | 0.11 | 0.05 | 0.06 |
| Sep | 0.11 | 0.13 | -0.02 |
| Oct | 0.38 | 0.56 | -0.18 |
| Nov | 0.76 | 0.78 | -0.02 |
| Dec | 1.82 | 2.24 | -0.42 |
12.33 | 13.50 | -1.17 |