| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.69 | -0.46 |
| Feb | 4.39 | 4.34 | 0.05 |
| Mar | 3.23 | 3.80 | -0.57 |
| Apr | 1.57 | 1.85 | -0.28 |
| May | 1.04 | 1.20 | -0.16 |
| Jun | 0.34 | 0.36 | -0.02 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.04 | 0.05 | -0.01 |
| Sep | 0.16 | 0.16 | 0.00 |
| Oct | 1.25 | 1.24 | 0.01 |
| Nov | 2.35 | 2.47 | -0.12 |
| Dec | 3.89 | 4.56 | -0.67 |
22.49 | 24.72 | -2.23 |