| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.98 | -0.20 |
| Feb | 0.81 | 0.86 | -0.05 |
| Mar | 0.87 | 0.95 | -0.08 |
| Apr | 1.16 | 1.11 | 0.05 |
| May | 1.19 | 1.20 | -0.01 |
| Jun | 0.72 | 0.61 | 0.11 |
| Jul | 0.93 | 0.98 | -0.05 |
| Aug | 1.04 | 1.04 | 0.00 |
| Sep | 1.43 | 1.41 | 0.02 |
| Oct | 1.29 | 1.40 | -0.11 |
| Nov | 0.83 | 0.86 | -0.03 |
| Dec | 0.75 | 0.83 | -0.08 |
11.80 | 12.23 | -0.43 |