| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.51 | 0.06 |
| Feb | 1.99 | 2.07 | -0.08 |
| Mar | 2.59 | 2.65 | -0.06 |
| Apr | 3.83 | 3.80 | 0.03 |
| May | 4.45 | 4.46 | -0.01 |
| Jun | 4.54 | 4.40 | 0.14 |
| Jul | 4.24 | 4.11 | 0.13 |
| Aug | 3.83 | 3.79 | 0.04 |
| Sep | 3.13 | 3.05 | 0.08 |
| Oct | 2.96 | 2.87 | 0.09 |
| Nov | 3.08 | 3.01 | 0.07 |
| Dec | 2.40 | 2.38 | 0.02 |
39.61 | 39.10 | 0.51 |