| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.57 | -0.10 |
| Feb | 3.33 | 3.33 | 0.00 |
| Mar | 4.34 | 4.44 | -0.10 |
| Apr | 4.95 | 5.01 | -0.06 |
| May | 5.35 | 5.35 | 0.00 |
| Jun | 4.95 | 4.80 | 0.15 |
| Jul | 4.62 | 4.60 | 0.02 |
| Aug | 3.72 | 3.53 | 0.19 |
| Sep | 3.46 | 3.59 | -0.13 |
| Oct | 3.49 | 3.49 | 0.00 |
| Nov | 3.42 | 3.53 | -0.11 |
| Dec | 4.05 | 4.19 | -0.14 |
49.15 | 49.43 | -0.28 |