| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.30 | -0.16 |
| Feb | 1.94 | 2.00 | -0.06 |
| Mar | 2.70 | 2.70 | 0.00 |
| Apr | 4.12 | 4.12 | 0.00 |
| May | 4.60 | 4.62 | -0.02 |
| Jun | 4.54 | 4.59 | -0.05 |
| Jul | 3.95 | 3.69 | 0.26 |
| Aug | 3.27 | 3.23 | 0.04 |
| Sep | 3.01 | 3.11 | -0.10 |
| Oct | 3.31 | 3.25 | 0.06 |
| Nov | 3.02 | 3.09 | -0.07 |
| Dec | 2.29 | 2.36 | -0.07 |
38.89 | 39.06 | -0.17 |