| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.79 | 3.22 | 0.57 |
| Feb | 4.57 | 4.01 | 0.56 |
| Mar | 2.81 | 2.57 | 0.24 |
| Apr | 0.83 | 0.76 | 0.07 |
| May | 0.29 | 0.32 | -0.03 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.10 | 0.08 | 0.02 |
| Oct | 0.65 | 0.55 | 0.10 |
| Nov | 0.90 | 0.76 | 0.14 |
| Dec | 2.88 | 2.48 | 0.40 |
16.90 | 14.85 | 2.05 |