| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.60 | -0.19 |
| Feb | 1.99 | 2.09 | -0.10 |
| Mar | 2.73 | 2.73 | 0.00 |
| Apr | 3.92 | 3.89 | 0.03 |
| May | 4.31 | 4.37 | -0.06 |
| Jun | 4.90 | 4.78 | 0.12 |
| Jul | 4.47 | 4.40 | 0.07 |
| Aug | 3.57 | 3.39 | 0.18 |
| Sep | 3.01 | 2.95 | 0.06 |
| Oct | 3.08 | 3.04 | 0.04 |
| Nov | 2.97 | 3.06 | -0.09 |
| Dec | 2.44 | 2.47 | -0.03 |
39.80 | 39.77 | 0.03 |