| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.80 | -0.16 |
| Feb | 3.38 | 3.51 | -0.13 |
| Mar | 3.73 | 4.07 | -0.34 |
| Apr | 2.87 | 2.98 | -0.11 |
| May | 3.36 | 3.37 | -0.01 |
| Jun | 4.77 | 4.90 | -0.13 |
| Jul | 4.65 | 4.79 | -0.14 |
| Aug | 4.75 | 4.83 | -0.08 |
| Sep | 4.05 | 4.14 | -0.09 |
| Oct | 3.19 | 3.44 | -0.25 |
| Nov | 2.82 | 3.00 | -0.18 |
| Dec | 3.68 | 3.83 | -0.15 |
44.89 | 46.66 | -1.77 |