| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.89 | 6.74 | 0.15 |
| Feb | 6.61 | 6.67 | -0.06 |
| Mar | 6.16 | 6.07 | 0.09 |
| Apr | 3.40 | 3.40 | 0.00 |
| May | 2.06 | 1.96 | 0.10 |
| Jun | 0.49 | 0.50 | -0.01 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.06 | 0.07 | -0.01 |
| Sep | 0.32 | 0.29 | 0.03 |
| Oct | 1.82 | 1.91 | -0.09 |
| Nov | 3.68 | 3.78 | -0.10 |
| Dec | 6.62 | 6.67 | -0.05 |
38.12 | 38.08 | 0.04 |