| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.60 | 0.03 |
| Feb | 2.15 | 2.21 | -0.06 |
| Mar | 2.35 | 2.35 | 0.00 |
| Apr | 3.59 | 3.56 | 0.03 |
| May | 4.22 | 4.29 | -0.07 |
| Jun | 4.22 | 4.30 | -0.08 |
| Jul | 4.01 | 4.23 | -0.22 |
| Aug | 4.08 | 4.03 | 0.05 |
| Sep | 3.39 | 3.30 | 0.09 |
| Oct | 3.54 | 3.47 | 0.07 |
| Nov | 2.90 | 2.90 | 0.00 |
| Dec | 2.49 | 2.42 | 0.07 |
39.57 | 39.66 | -0.09 |