| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.81 | 4.81 | 0.00 |
| Feb | 4.73 | 4.82 | -0.09 |
| Mar | 4.91 | 5.01 | -0.10 |
| Apr | 4.06 | 4.25 | -0.19 |
| May | 3.79 | 3.89 | -0.10 |
| Jun | 4.29 | 4.30 | -0.01 |
| Jul | 5.00 | 5.00 | 0.00 |
| Aug | 4.18 | 4.25 | -0.07 |
| Sep | 3.74 | 3.94 | -0.20 |
| Oct | 3.36 | 3.41 | -0.05 |
| Nov | 4.13 | 4.21 | -0.08 |
| Dec | 4.69 | 4.76 | -0.07 |
51.69 | 52.65 | -0.96 |