| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.84 | -0.06 |
| Feb | 1.72 | 1.81 | -0.09 |
| Mar | 2.22 | 2.25 | -0.03 |
| Apr | 3.78 | 3.74 | 0.04 |
| May | 4.16 | 4.41 | -0.25 |
| Jun | 4.48 | 4.59 | -0.11 |
| Jul | 3.60 | 3.73 | -0.13 |
| Aug | 3.74 | 3.69 | 0.05 |
| Sep | 3.49 | 3.47 | 0.02 |
| Oct | 3.11 | 3.11 | 0.00 |
| Nov | 2.42 | 2.36 | 0.06 |
| Dec | 2.00 | 2.04 | -0.04 |
36.50 | 37.04 | -0.54 |