| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.57 | -0.03 |
| Feb | 2.94 | 2.94 | 0.00 |
| Mar | 4.10 | 4.02 | 0.08 |
| Apr | 3.66 | 3.62 | 0.04 |
| May | 3.75 | 3.62 | 0.13 |
| Jun | 4.42 | 4.36 | 0.06 |
| Jul | 4.87 | 4.82 | 0.05 |
| Aug | 4.71 | 4.66 | 0.05 |
| Sep | 4.99 | 5.31 | -0.32 |
| Oct | 3.56 | 3.67 | -0.11 |
| Nov | 3.41 | 3.36 | 0.05 |
| Dec | 3.52 | 3.47 | 0.05 |
47.47 | 47.42 | 0.05 |