| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.18 | 2.24 | -0.06 |
| Feb | 1.69 | 1.70 | -0.01 |
| Mar | 2.15 | 2.06 | 0.09 |
| Apr | 3.11 | 3.03 | 0.08 |
| May | 3.78 | 3.66 | 0.12 |
| Jun | 3.60 | 3.65 | -0.05 |
| Jul | 3.41 | 3.16 | 0.25 |
| Aug | 3.38 | 3.37 | 0.01 |
| Sep | 3.01 | 3.07 | -0.06 |
| Oct | 2.92 | 2.79 | 0.13 |
| Nov | 2.48 | 2.45 | 0.03 |
| Dec | 2.00 | 1.99 | 0.01 |
33.71 | 33.17 | 0.54 |