| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.96 | 2.22 | -0.26 |
| Feb | 1.80 | 1.87 | -0.07 |
| Mar | 1.51 | 1.50 | 0.01 |
| Apr | 1.32 | 1.26 | 0.06 |
| May | 1.21 | 1.37 | -0.16 |
| Jun | 0.70 | 0.90 | -0.20 |
| Jul | 1.82 | 2.20 | -0.38 |
| Aug | 2.38 | 2.72 | -0.34 |
| Sep | 2.19 | 2.31 | -0.12 |
| Oct | 1.83 | 1.78 | 0.05 |
| Nov | 1.59 | 1.80 | -0.21 |
| Dec | 1.82 | 1.88 | -0.06 |
20.13 | 21.81 | -1.68 |