| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 0.97 | 0.09 |
| Feb | 1.06 | 1.07 | -0.01 |
| Mar | 1.38 | 1.21 | 0.17 |
| Apr | 1.24 | 1.17 | 0.07 |
| May | 1.14 | 1.11 | 0.03 |
| Jun | 0.54 | 0.60 | -0.06 |
| Jul | 1.16 | 1.05 | 0.11 |
| Aug | 1.11 | 1.16 | -0.05 |
| Sep | 0.97 | 0.97 | 0.00 |
| Oct | 1.33 | 1.24 | 0.09 |
| Nov | 0.87 | 0.91 | -0.04 |
| Dec | 0.99 | 1.08 | -0.09 |
12.85 | 12.54 | 0.31 |