| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.86 | -0.10 |
| Feb | 0.73 | 0.74 | -0.01 |
| Mar | 1.20 | 1.21 | -0.01 |
| Apr | 1.95 | 2.05 | -0.10 |
| May | 3.08 | 3.19 | -0.11 |
| Jun | 4.44 | 4.48 | -0.04 |
| Jul | 3.98 | 4.08 | -0.10 |
| Aug | 3.31 | 3.30 | 0.01 |
| Sep | 2.98 | 3.23 | -0.25 |
| Oct | 2.68 | 2.70 | -0.02 |
| Nov | 1.36 | 1.43 | -0.07 |
| Dec | 1.02 | 1.10 | -0.08 |
27.49 | 28.37 | -0.88 |