| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.04 | -0.14 |
| Feb | 2.35 | 2.53 | -0.18 |
| Mar | 3.26 | 3.42 | -0.16 |
| Apr | 4.29 | 4.54 | -0.25 |
| May | 4.60 | 4.66 | -0.06 |
| Jun | 4.93 | 4.98 | -0.05 |
| Jul | 4.23 | 4.31 | -0.08 |
| Aug | 3.27 | 3.04 | 0.23 |
| Sep | 3.32 | 3.33 | -0.01 |
| Oct | 3.34 | 3.29 | 0.05 |
| Nov | 3.38 | 3.40 | -0.02 |
| Dec | 2.82 | 2.98 | -0.16 |
42.69 | 43.52 | -0.83 |