| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.42 | 0.00 |
| Feb | 0.61 | 0.55 | 0.06 |
| Mar | 0.90 | 0.86 | 0.04 |
| Apr | 2.05 | 2.00 | 0.05 |
| May | 3.11 | 3.15 | -0.04 |
| Jun | 3.42 | 3.59 | -0.17 |
| Jul | 2.54 | 2.61 | -0.07 |
| Aug | 2.05 | 2.17 | -0.12 |
| Sep | 1.72 | 1.73 | -0.01 |
| Oct | 1.58 | 1.59 | -0.01 |
| Nov | 0.56 | 0.58 | -0.02 |
| Dec | 0.46 | 0.46 | 0.00 |
19.42 | 19.71 | -0.29 |