| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.53 | -0.07 |
| Feb | 3.19 | 3.44 | -0.25 |
| Mar | 4.55 | 4.60 | -0.05 |
| Apr | 4.96 | 5.00 | -0.04 |
| May | 4.85 | 4.92 | -0.07 |
| Jun | 4.32 | 4.41 | -0.09 |
| Jul | 4.02 | 4.13 | -0.11 |
| Aug | 3.20 | 3.01 | 0.19 |
| Sep | 3.29 | 3.25 | 0.04 |
| Oct | 3.48 | 3.33 | 0.15 |
| Nov | 3.98 | 4.04 | -0.06 |
| Dec | 3.83 | 3.89 | -0.06 |
47.13 | 47.55 | -0.42 |