| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.89 | -0.16 |
| Feb | 0.72 | 0.79 | -0.07 |
| Mar | 1.09 | 1.15 | -0.06 |
| Apr | 1.85 | 2.02 | -0.17 |
| May | 3.02 | 3.09 | -0.07 |
| Jun | 4.46 | 4.46 | 0.00 |
| Jul | 3.80 | 4.07 | -0.27 |
| Aug | 3.35 | 3.43 | -0.08 |
| Sep | 3.15 | 3.41 | -0.26 |
| Oct | 2.62 | 2.78 | -0.16 |
| Nov | 1.36 | 1.47 | -0.11 |
| Dec | 1.00 | 1.20 | -0.20 |
27.15 | 28.76 | -1.61 |