| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.26 | 6.76 | -0.50 |
| Feb | 3.85 | 4.50 | -0.65 |
| Mar | 3.90 | 4.34 | -0.44 |
| Apr | 2.46 | 2.49 | -0.03 |
| May | 1.58 | 1.84 | -0.26 |
| Jun | 1.18 | 1.22 | -0.04 |
| Jul | 0.69 | 0.67 | 0.02 |
| Aug | 0.83 | 0.98 | -0.15 |
| Sep | 1.56 | 1.67 | -0.11 |
| Oct | 4.25 | 4.23 | 0.02 |
| Nov | 6.85 | 7.89 | -1.04 |
| Dec | 6.24 | 6.80 | -0.56 |
39.65 | 43.39 | -3.74 |