| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.36 | 0.00 |
| Feb | 0.50 | 0.47 | 0.03 |
| Mar | 0.90 | 0.89 | 0.01 |
| Apr | 1.83 | 1.82 | 0.01 |
| May | 2.70 | 2.73 | -0.03 |
| Jun | 2.66 | 2.71 | -0.05 |
| Jul | 2.31 | 2.27 | 0.04 |
| Aug | 1.47 | 1.46 | 0.01 |
| Sep | 1.24 | 1.23 | 0.01 |
| Oct | 1.25 | 1.28 | -0.03 |
| Nov | 0.49 | 0.56 | -0.07 |
| Dec | 0.40 | 0.45 | -0.05 |
16.11 | 16.23 | -0.12 |