| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.59 | -0.13 |
| Feb | 2.79 | 2.85 | -0.06 |
| Mar | 4.09 | 4.26 | -0.17 |
| Apr | 3.76 | 3.73 | 0.03 |
| May | 3.93 | 3.99 | -0.06 |
| Jun | 4.27 | 4.30 | -0.03 |
| Jul | 4.79 | 4.81 | -0.02 |
| Aug | 4.49 | 4.82 | -0.33 |
| Sep | 4.43 | 4.45 | -0.02 |
| Oct | 4.05 | 4.08 | -0.03 |
| Nov | 3.32 | 3.31 | 0.01 |
| Dec | 4.29 | 4.41 | -0.12 |
47.67 | 48.60 | -0.93 |