| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.88 | -0.14 |
| Feb | 1.78 | 1.79 | -0.01 |
| Mar | 2.31 | 2.29 | 0.02 |
| Apr | 3.71 | 3.78 | -0.07 |
| May | 4.81 | 4.94 | -0.13 |
| Jun | 4.57 | 4.48 | 0.09 |
| Jul | 3.94 | 3.84 | 0.10 |
| Aug | 3.92 | 4.07 | -0.15 |
| Sep | 3.45 | 3.46 | -0.01 |
| Oct | 3.26 | 3.26 | 0.00 |
| Nov | 2.43 | 2.54 | -0.11 |
| Dec | 2.06 | 2.15 | -0.09 |
37.98 | 38.48 | -0.50 |