| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.39 | -0.02 |
| Feb | 0.45 | 0.52 | -0.07 |
| Mar | 0.72 | 0.68 | 0.04 |
| Apr | 1.09 | 1.06 | 0.03 |
| May | 1.12 | 1.22 | -0.10 |
| Jun | 0.75 | 0.70 | 0.05 |
| Jul | 1.54 | 1.66 | -0.12 |
| Aug | 1.58 | 1.57 | 0.01 |
| Sep | 1.03 | 0.98 | 0.05 |
| Oct | 0.93 | 0.86 | 0.07 |
| Nov | 0.48 | 0.48 | 0.00 |
| Dec | 0.53 | 0.54 | -0.01 |
10.59 | 10.66 | -0.07 |