| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.82 | -0.11 |
| Feb | 3.34 | 3.32 | 0.02 |
| Mar | 4.47 | 4.56 | -0.09 |
| Apr | 4.25 | 4.36 | -0.11 |
| May | 3.68 | 3.54 | 0.14 |
| Jun | 4.15 | 4.17 | -0.02 |
| Jul | 3.55 | 3.58 | -0.03 |
| Aug | 3.80 | 3.83 | -0.03 |
| Sep | 3.94 | 3.87 | 0.07 |
| Oct | 4.83 | 4.83 | 0.00 |
| Nov | 3.98 | 3.96 | 0.02 |
| Dec | 4.68 | 4.77 | -0.09 |
48.38 | 48.61 | -0.23 |