| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.27 | -0.02 |
| Feb | 1.46 | 1.48 | -0.02 |
| Mar | 2.13 | 2.07 | 0.06 |
| Apr | 3.76 | 3.79 | -0.03 |
| May | 4.18 | 4.33 | -0.15 |
| Jun | 5.49 | 5.49 | 0.00 |
| Jul | 4.68 | 4.93 | -0.25 |
| Aug | 3.94 | 3.83 | 0.11 |
| Sep | 3.60 | 3.60 | 0.00 |
| Oct | 2.94 | 2.87 | 0.07 |
| Nov | 2.26 | 2.23 | 0.03 |
| Dec | 1.67 | 1.71 | -0.04 |
37.36 | 37.60 | -0.24 |