| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.83 | -0.13 |
| Feb | 3.08 | 3.46 | -0.38 |
| Mar | 1.73 | 1.92 | -0.19 |
| Apr | 0.72 | 0.81 | -0.09 |
| May | 0.25 | 0.32 | -0.07 |
| Jun | 0.06 | 0.10 | -0.04 |
| Jul | 0.04 | 0.07 | -0.03 |
| Aug | 0.01 | 0.01 | 0.00 |
| Sep | 0.11 | 0.12 | -0.01 |
| Oct | 0.50 | 0.66 | -0.16 |
| Nov | 0.85 | 0.91 | -0.06 |
| Dec | 2.08 | 2.41 | -0.33 |
12.13 | 13.62 | -1.49 |