| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.44 | -0.01 |
| Feb | 1.97 | 2.05 | -0.08 |
| Mar | 2.43 | 2.49 | -0.06 |
| Apr | 3.74 | 3.66 | 0.08 |
| May | 4.45 | 4.38 | 0.07 |
| Jun | 4.04 | 4.09 | -0.05 |
| Jul | 3.76 | 3.56 | 0.20 |
| Aug | 3.77 | 3.80 | -0.03 |
| Sep | 3.06 | 3.06 | 0.00 |
| Oct | 2.93 | 2.83 | 0.10 |
| Nov | 2.99 | 2.93 | 0.06 |
| Dec | 2.45 | 2.37 | 0.08 |
38.02 | 37.66 | 0.36 |