| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.03 | -0.11 |
| Feb | 2.60 | 2.67 | -0.07 |
| Mar | 3.82 | 3.85 | -0.03 |
| Apr | 3.37 | 3.40 | -0.03 |
| May | 4.17 | 4.33 | -0.16 |
| Jun | 4.29 | 4.46 | -0.17 |
| Jul | 4.44 | 4.43 | 0.01 |
| Aug | 4.04 | 3.96 | 0.08 |
| Sep | 4.33 | 4.44 | -0.11 |
| Oct | 3.91 | 4.00 | -0.09 |
| Nov | 3.09 | 3.14 | -0.05 |
| Dec | 3.68 | 3.71 | -0.03 |
44.66 | 45.42 | -0.76 |