| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.43 | -0.07 |
| Feb | 1.70 | 1.58 | 0.12 |
| Mar | 2.30 | 2.41 | -0.11 |
| Apr | 2.20 | 2.20 | 0.00 |
| May | 4.12 | 3.88 | 0.24 |
| Jun | 2.95 | 2.87 | 0.08 |
| Jul | 1.75 | 1.69 | 0.06 |
| Aug | 2.10 | 2.04 | 0.06 |
| Sep | 2.92 | 2.92 | 0.00 |
| Oct | 2.78 | 2.82 | -0.04 |
| Nov | 1.89 | 2.11 | -0.22 |
| Dec | 1.62 | 1.63 | -0.01 |
27.69 | 27.58 | 0.11 |