| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.66 | -0.11 |
| Feb | 2.76 | 2.77 | -0.01 |
| Mar | 3.59 | 3.54 | 0.05 |
| Apr | 3.61 | 3.61 | 0.00 |
| May | 4.68 | 4.37 | 0.31 |
| Jun | 4.02 | 3.88 | 0.14 |
| Jul | 2.06 | 2.26 | -0.20 |
| Aug | 2.40 | 2.34 | 0.06 |
| Sep | 3.12 | 3.26 | -0.14 |
| Oct | 4.63 | 4.76 | -0.13 |
| Nov | 2.88 | 2.99 | -0.11 |
| Dec | 3.07 | 3.18 | -0.11 |
39.37 | 39.62 | -0.25 |