| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.77 | -0.18 |
| Feb | 2.08 | 2.24 | -0.16 |
| Mar | 2.81 | 2.87 | -0.06 |
| Apr | 3.54 | 3.66 | -0.12 |
| May | 3.89 | 3.91 | -0.02 |
| Jun | 4.08 | 4.06 | 0.02 |
| Jul | 3.84 | 3.85 | -0.01 |
| Aug | 3.56 | 3.56 | 0.00 |
| Sep | 3.65 | 3.66 | -0.01 |
| Oct | 3.35 | 3.34 | 0.01 |
| Nov | 2.99 | 2.93 | 0.06 |
| Dec | 2.67 | 2.77 | -0.10 |
39.05 | 39.62 | -0.57 |