| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.64 | -0.11 |
| Feb | 2.90 | 2.89 | 0.01 |
| Mar | 4.14 | 4.08 | 0.06 |
| Apr | 3.68 | 3.61 | 0.07 |
| May | 3.75 | 3.66 | 0.09 |
| Jun | 4.40 | 4.40 | 0.00 |
| Jul | 4.84 | 4.78 | 0.06 |
| Aug | 4.82 | 4.64 | 0.18 |
| Sep | 5.02 | 5.31 | -0.29 |
| Oct | 3.54 | 3.58 | -0.04 |
| Nov | 3.43 | 3.38 | 0.05 |
| Dec | 3.54 | 3.53 | 0.01 |
47.59 | 47.50 | 0.09 |