| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.52 | -0.07 |
| Feb | 2.90 | 2.99 | -0.09 |
| Mar | 3.82 | 4.04 | -0.22 |
| Apr | 3.89 | 3.96 | -0.07 |
| May | 3.93 | 3.95 | -0.02 |
| Jun | 4.60 | 4.72 | -0.12 |
| Jul | 4.33 | 4.64 | -0.31 |
| Aug | 4.56 | 4.62 | -0.06 |
| Sep | 4.77 | 5.01 | -0.24 |
| Oct | 4.93 | 5.03 | -0.10 |
| Nov | 3.79 | 3.80 | -0.01 |
| Dec | 4.29 | 4.41 | -0.12 |
49.26 | 50.69 | -1.43 |