| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.95 | -0.26 |
| Feb | 2.26 | 2.36 | -0.10 |
| Mar | 3.35 | 3.44 | -0.09 |
| Apr | 3.90 | 3.91 | -0.01 |
| May | 4.35 | 4.22 | 0.13 |
| Jun | 4.30 | 4.34 | -0.04 |
| Jul | 4.19 | 4.22 | -0.03 |
| Aug | 3.20 | 3.24 | -0.04 |
| Sep | 3.05 | 2.98 | 0.07 |
| Oct | 2.69 | 2.80 | -0.11 |
| Nov | 2.71 | 2.82 | -0.11 |
| Dec | 2.86 | 3.03 | -0.17 |
39.55 | 40.31 | -0.76 |