| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.60 | -0.11 |
| Feb | 3.12 | 3.14 | -0.02 |
| Mar | 3.76 | 3.88 | -0.12 |
| Apr | 3.45 | 3.48 | -0.03 |
| May | 3.54 | 3.50 | 0.04 |
| Jun | 4.59 | 4.72 | -0.13 |
| Jul | 4.46 | 5.39 | -0.93 |
| Aug | 4.26 | 4.80 | -0.54 |
| Sep | 5.13 | 5.29 | -0.16 |
| Oct | 3.43 | 3.48 | -0.05 |
| Nov | 3.46 | 3.41 | 0.05 |
| Dec | 3.69 | 3.60 | 0.09 |
46.38 | 48.29 | -1.91 |