| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.46 | -0.03 |
| Feb | 1.38 | 1.22 | 0.16 |
| Mar | 1.10 | 1.02 | 0.08 |
| Apr | 0.89 | 0.88 | 0.01 |
| May | 0.92 | 0.87 | 0.05 |
| Jun | 0.47 | 0.46 | 0.01 |
| Jul | 1.43 | 1.35 | 0.08 |
| Aug | 1.91 | 1.80 | 0.11 |
| Sep | 1.88 | 1.82 | 0.06 |
| Oct | 1.37 | 1.33 | 0.04 |
| Nov | 1.10 | 1.01 | 0.09 |
| Dec | 1.23 | 1.15 | 0.08 |
15.11 | 14.37 | 0.74 |