| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.96 | 8.66 | -0.70 |
| Feb | 7.75 | 8.46 | -0.71 |
| Mar | 5.38 | 6.06 | -0.68 |
| Apr | 2.72 | 2.95 | -0.23 |
| May | 1.33 | 1.66 | -0.33 |
| Jun | 0.34 | 0.50 | -0.16 |
| Jul | 0.01 | 0.03 | -0.02 |
| Aug | 0.04 | 0.09 | -0.05 |
| Sep | 0.16 | 0.20 | -0.04 |
| Oct | 1.90 | 2.13 | -0.23 |
| Nov | 4.36 | 4.79 | -0.43 |
| Dec | 8.58 | 9.13 | -0.55 |
40.53 | 44.66 | -4.13 |