| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.25 | -0.02 |
| Feb | 1.96 | 2.01 | -0.05 |
| Mar | 2.58 | 2.69 | -0.11 |
| Apr | 3.97 | 3.92 | 0.05 |
| May | 4.38 | 4.38 | 0.00 |
| Jun | 4.57 | 4.57 | 0.00 |
| Jul | 4.23 | 4.05 | 0.18 |
| Aug | 3.44 | 3.37 | 0.07 |
| Sep | 3.04 | 3.14 | -0.10 |
| Oct | 3.24 | 3.24 | 0.00 |
| Nov | 3.06 | 3.03 | 0.03 |
| Dec | 2.20 | 2.33 | -0.13 |
38.90 | 38.98 | -0.08 |