| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.35 | 0.07 |
| Feb | 4.90 | 4.89 | 0.01 |
| Mar | 5.64 | 5.70 | -0.06 |
| Apr | 5.42 | 5.42 | 0.00 |
| May | 5.21 | 5.20 | 0.01 |
| Jun | 4.70 | 4.40 | 0.30 |
| Jul | 4.47 | 4.31 | 0.16 |
| Aug | 3.49 | 3.40 | 0.09 |
| Sep | 3.82 | 3.90 | -0.08 |
| Oct | 3.78 | 3.90 | -0.12 |
| Nov | 4.10 | 4.02 | 0.08 |
| Dec | 5.47 | 5.52 | -0.05 |
55.42 | 55.01 | 0.41 |