| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.69 | -0.19 |
| Feb | 2.10 | 2.29 | -0.19 |
| Mar | 3.37 | 3.44 | -0.07 |
| Apr | 4.65 | 4.74 | -0.09 |
| May | 4.95 | 5.05 | -0.10 |
| Jun | 4.25 | 4.60 | -0.35 |
| Jul | 3.88 | 4.23 | -0.35 |
| Aug | 3.23 | 3.66 | -0.43 |
| Sep | 3.36 | 3.33 | 0.03 |
| Oct | 3.11 | 3.17 | -0.06 |
| Nov | 3.35 | 3.55 | -0.20 |
| Dec | 2.63 | 2.66 | -0.03 |
41.38 | 43.41 | -2.03 |