| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.50 | -0.12 |
| Feb | 0.60 | 0.60 | 0.00 |
| Mar | 0.88 | 0.96 | -0.08 |
| Apr | 1.74 | 1.88 | -0.14 |
| May | 3.56 | 3.45 | 0.11 |
| Jun | 3.13 | 3.25 | -0.12 |
| Jul | 2.47 | 2.49 | -0.02 |
| Aug | 1.52 | 1.70 | -0.18 |
| Sep | 1.19 | 1.24 | -0.05 |
| Oct | 1.42 | 1.46 | -0.04 |
| Nov | 0.52 | 0.55 | -0.03 |
| Dec | 0.49 | 0.59 | -0.10 |
17.90 | 18.67 | -0.77 |