| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.84 | 0.90 | -0.06 |
| Mar | 1.66 | 1.69 | -0.03 |
| Apr | 3.09 | 3.16 | -0.07 |
| May | 4.53 | 4.55 | -0.02 |
| Jun | 4.78 | 4.78 | 0.00 |
| Jul | 3.22 | 3.22 | 0.00 |
| Aug | 3.75 | 3.75 | 0.00 |
| Sep | 3.03 | 3.08 | -0.05 |
| Oct | 2.31 | 2.25 | 0.06 |
| Nov | 1.31 | 1.31 | 0.00 |
| Dec | 1.07 | 1.13 | -0.06 |
30.30 | 30.50 | -0.20 |