| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.81 | -0.02 |
| Feb | 0.97 | 0.96 | 0.01 |
| Mar | 2.08 | 2.06 | 0.02 |
| Apr | 2.83 | 2.85 | -0.02 |
| May | 2.67 | 2.73 | -0.06 |
| Jun | 1.86 | 1.98 | -0.12 |
| Jul | 2.36 | 2.42 | -0.06 |
| Aug | 2.24 | 2.44 | -0.20 |
| Sep | 1.60 | 1.73 | -0.13 |
| Oct | 1.34 | 1.36 | -0.02 |
| Nov | 1.03 | 1.03 | 0.00 |
| Dec | 0.82 | 0.87 | -0.05 |
20.59 | 21.24 | -0.65 |