| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.78 | -0.06 |
| Feb | 0.87 | 0.88 | -0.01 |
| Mar | 1.73 | 1.75 | -0.02 |
| Apr | 3.34 | 3.25 | 0.09 |
| May | 4.32 | 4.39 | -0.07 |
| Jun | 4.71 | 5.06 | -0.35 |
| Jul | 3.64 | 3.71 | -0.07 |
| Aug | 3.98 | 4.14 | -0.16 |
| Sep | 3.04 | 2.95 | 0.09 |
| Oct | 2.31 | 2.22 | 0.09 |
| Nov | 1.40 | 1.36 | 0.04 |
| Dec | 1.02 | 1.04 | -0.02 |
31.08 | 31.53 | -0.45 |