| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.45 | -0.25 |
| Feb | 2.89 | 3.04 | -0.15 |
| Mar | 3.87 | 3.96 | -0.09 |
| Apr | 3.95 | 4.04 | -0.09 |
| May | 3.53 | 3.60 | -0.07 |
| Jun | 4.28 | 4.33 | -0.05 |
| Jul | 3.89 | 4.01 | -0.12 |
| Aug | 4.22 | 4.09 | 0.13 |
| Sep | 4.11 | 4.25 | -0.14 |
| Oct | 4.45 | 4.70 | -0.25 |
| Nov | 3.59 | 3.76 | -0.17 |
| Dec | 4.09 | 4.38 | -0.29 |
46.07 | 47.61 | -1.54 |