| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.17 | -0.11 |
| Feb | 2.37 | 2.44 | -0.07 |
| Mar | 3.44 | 3.50 | -0.06 |
| Apr | 4.32 | 4.32 | 0.00 |
| May | 4.43 | 4.45 | -0.02 |
| Jun | 4.62 | 4.70 | -0.08 |
| Jul | 4.09 | 4.01 | 0.08 |
| Aug | 3.16 | 2.98 | 0.18 |
| Sep | 3.09 | 3.08 | 0.01 |
| Oct | 3.03 | 3.00 | 0.03 |
| Nov | 2.99 | 2.99 | 0.00 |
| Dec | 3.09 | 3.14 | -0.05 |
41.69 | 41.78 | -0.09 |