| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.09 | 0.02 |
| Feb | 1.09 | 1.09 | 0.00 |
| Mar | 1.89 | 1.83 | 0.06 |
| Apr | 3.97 | 4.01 | -0.04 |
| May | 4.84 | 4.69 | 0.15 |
| Jun | 5.70 | 5.92 | -0.22 |
| Jul | 4.30 | 4.25 | 0.05 |
| Aug | 4.26 | 4.41 | -0.15 |
| Sep | 3.93 | 3.78 | 0.15 |
| Oct | 2.81 | 2.80 | 0.01 |
| Nov | 1.87 | 1.72 | 0.15 |
| Dec | 1.38 | 1.40 | -0.02 |
37.15 | 36.99 | 0.16 |