| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.78 | -0.09 |
| Feb | 1.66 | 1.69 | -0.03 |
| Mar | 2.20 | 2.16 | 0.04 |
| Apr | 3.67 | 3.87 | -0.20 |
| May | 3.88 | 4.01 | -0.13 |
| Jun | 4.13 | 4.23 | -0.10 |
| Jul | 3.29 | 3.35 | -0.06 |
| Aug | 3.56 | 3.50 | 0.06 |
| Sep | 3.27 | 3.35 | -0.08 |
| Oct | 3.05 | 3.01 | 0.04 |
| Nov | 2.28 | 2.38 | -0.10 |
| Dec | 1.88 | 1.92 | -0.04 |
34.56 | 35.25 | -0.69 |