| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.41 | 0.06 |
| Feb | 0.55 | 0.46 | 0.09 |
| Mar | 1.08 | 1.07 | 0.01 |
| Apr | 1.98 | 1.84 | 0.14 |
| May | 2.56 | 2.47 | 0.09 |
| Jun | 2.05 | 1.98 | 0.07 |
| Jul | 2.41 | 2.38 | 0.03 |
| Aug | 2.04 | 2.29 | -0.25 |
| Sep | 1.28 | 1.15 | 0.13 |
| Oct | 1.03 | 1.01 | 0.02 |
| Nov | 0.70 | 0.64 | 0.06 |
| Dec | 0.48 | 0.43 | 0.05 |
16.63 | 16.13 | 0.50 |