| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.46 | 0.00 |
| Feb | 0.57 | 0.54 | 0.03 |
| Mar | 0.90 | 0.88 | 0.02 |
| Apr | 1.63 | 1.54 | 0.09 |
| May | 3.11 | 3.16 | -0.05 |
| Jun | 3.57 | 3.71 | -0.14 |
| Jul | 3.15 | 3.24 | -0.09 |
| Aug | 2.42 | 2.50 | -0.08 |
| Sep | 2.09 | 2.16 | -0.07 |
| Oct | 1.78 | 1.78 | 0.00 |
| Nov | 0.60 | 0.61 | -0.01 |
| Dec | 0.57 | 0.54 | 0.03 |
20.85 | 21.12 | -0.27 |