| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.83 | 0.05 |
| Feb | 0.75 | 0.67 | 0.08 |
| Mar | 1.01 | 0.98 | 0.03 |
| Apr | 1.83 | 1.98 | -0.15 |
| May | 2.89 | 3.02 | -0.13 |
| Jun | 4.06 | 4.07 | -0.01 |
| Jul | 3.94 | 3.94 | 0.00 |
| Aug | 3.19 | 3.04 | 0.15 |
| Sep | 3.24 | 3.26 | -0.02 |
| Oct | 2.55 | 2.49 | 0.06 |
| Nov | 1.55 | 1.50 | 0.05 |
| Dec | 1.11 | 1.03 | 0.08 |
27.00 | 26.81 | 0.19 |