| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.48 | 0.16 |
| Feb | 1.67 | 1.45 | 0.22 |
| Mar | 1.45 | 1.44 | 0.01 |
| Apr | 0.40 | 0.39 | 0.01 |
| May | 0.21 | 0.22 | -0.01 |
| Jun | 0.06 | 0.07 | -0.01 |
| Jul | 0.98 | 0.86 | 0.12 |
| Aug | 1.46 | 1.36 | 0.10 |
| Sep | 1.04 | 0.88 | 0.16 |
| Oct | 0.78 | 0.73 | 0.05 |
| Nov | 0.86 | 0.65 | 0.21 |
| Dec | 1.34 | 1.33 | 0.01 |
11.89 | 10.86 | 1.03 |