| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.75 | 0.01 |
| Feb | 1.02 | 0.98 | 0.04 |
| Mar | 1.89 | 1.95 | -0.06 |
| Apr | 2.15 | 2.37 | -0.22 |
| May | 4.08 | 4.43 | -0.35 |
| Jun | 4.01 | 3.99 | 0.02 |
| Jul | 3.70 | 3.62 | 0.08 |
| Aug | 3.52 | 3.45 | 0.07 |
| Sep | 2.09 | 1.98 | 0.11 |
| Oct | 2.22 | 2.29 | -0.07 |
| Nov | 1.20 | 1.12 | 0.08 |
| Dec | 0.99 | 1.03 | -0.04 |
27.63 | 27.96 | -0.33 |