| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.68 | 0.10 |
| Feb | 0.73 | 0.72 | 0.01 |
| Mar | 1.07 | 1.53 | -0.46 |
| Apr | 1.32 | 1.07 | 0.25 |
| May | 2.20 | 2.26 | -0.06 |
| Jun | 2.12 | 2.06 | 0.06 |
| Jul | 1.56 | 1.50 | 0.06 |
| Aug | 1.94 | 1.72 | 0.22 |
| Sep | 2.70 | 2.66 | 0.04 |
| Oct | 1.78 | 2.02 | -0.24 |
| Nov | 0.94 | 0.93 | 0.01 |
| Dec | 0.73 | 0.68 | 0.05 |
17.87 | 17.83 | 0.04 |