| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.54 | -0.02 |
| Feb | 2.98 | 2.97 | 0.01 |
| Mar | 4.07 | 4.07 | 0.00 |
| Apr | 3.62 | 3.67 | -0.05 |
| May | 3.71 | 3.64 | 0.07 |
| Jun | 4.33 | 4.34 | -0.01 |
| Jul | 4.77 | 4.73 | 0.04 |
| Aug | 4.56 | 4.59 | -0.03 |
| Sep | 4.84 | 5.22 | -0.38 |
| Oct | 3.46 | 3.55 | -0.09 |
| Nov | 3.30 | 3.33 | -0.03 |
| Dec | 3.49 | 3.50 | -0.01 |
46.65 | 47.15 | -0.50 |