| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.81 | -0.07 |
| Feb | 0.74 | 0.76 | -0.02 |
| Mar | 1.13 | 1.15 | -0.02 |
| Apr | 1.96 | 2.04 | -0.08 |
| May | 3.12 | 3.00 | 0.12 |
| Jun | 4.36 | 4.30 | 0.06 |
| Jul | 3.90 | 4.01 | -0.11 |
| Aug | 3.48 | 3.31 | 0.17 |
| Sep | 3.38 | 3.41 | -0.03 |
| Oct | 2.67 | 2.69 | -0.02 |
| Nov | 1.40 | 1.45 | -0.05 |
| Dec | 1.03 | 1.09 | -0.06 |
27.91 | 28.02 | -0.11 |