| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 4.22 | -0.68 |
| Feb | 3.24 | 3.79 | -0.55 |
| Mar | 2.89 | 3.00 | -0.11 |
| Apr | 1.27 | 1.41 | -0.14 |
| May | 0.48 | 0.56 | -0.08 |
| Jun | 0.11 | 0.16 | -0.05 |
| Jul | 0.03 | 0.03 | 0.00 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.07 | 0.08 | -0.01 |
| Oct | 0.79 | 0.76 | 0.03 |
| Nov | 1.66 | 1.69 | -0.03 |
| Dec | 3.18 | 3.54 | -0.36 |
17.29 | 19.29 | -2.00 |