| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.50 | -0.13 |
| Feb | 3.24 | 3.25 | -0.01 |
| Mar | 4.53 | 4.53 | 0.00 |
| Apr | 5.14 | 5.30 | -0.16 |
| May | 5.22 | 5.24 | -0.02 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 4.30 | 4.38 | -0.08 |
| Aug | 3.03 | 3.09 | -0.06 |
| Sep | 3.49 | 3.54 | -0.05 |
| Oct | 3.45 | 3.46 | -0.01 |
| Nov | 3.99 | 3.98 | 0.01 |
| Dec | 3.94 | 4.04 | -0.10 |
48.12 | 48.77 | -0.65 |