| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.76 | -0.06 |
| Feb | 2.21 | 2.24 | -0.03 |
| Mar | 3.01 | 3.01 | 0.00 |
| Apr | 3.79 | 3.93 | -0.14 |
| May | 4.25 | 4.21 | 0.04 |
| Jun | 4.42 | 4.41 | 0.01 |
| Jul | 4.09 | 4.27 | -0.18 |
| Aug | 3.43 | 3.45 | -0.02 |
| Sep | 2.99 | 3.00 | -0.01 |
| Oct | 2.82 | 2.82 | 0.00 |
| Nov | 3.03 | 3.02 | 0.01 |
| Dec | 2.59 | 2.69 | -0.10 |
39.33 | 39.81 | -0.48 |