| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.00 | 0.04 |
| Feb | 3.85 | 3.85 | 0.00 |
| Mar | 2.74 | 2.74 | 0.00 |
| Apr | 1.25 | 1.21 | 0.04 |
| May | 0.72 | 0.65 | 0.07 |
| Jun | 0.17 | 0.22 | -0.05 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.10 | 0.09 | 0.01 |
| Oct | 0.82 | 0.77 | 0.05 |
| Nov | 1.80 | 1.79 | 0.01 |
| Dec | 3.63 | 3.69 | -0.06 |
19.14 | 19.04 | 0.10 |