| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.03 | -0.07 |
| Feb | 1.42 | 1.48 | -0.06 |
| Mar | 2.29 | 2.34 | -0.05 |
| Apr | 3.75 | 3.98 | -0.23 |
| May | 5.06 | 5.19 | -0.13 |
| Jun | 5.42 | 5.32 | 0.10 |
| Jul | 4.23 | 4.16 | 0.07 |
| Aug | 4.42 | 4.38 | 0.04 |
| Sep | 3.79 | 3.89 | -0.10 |
| Oct | 3.03 | 3.18 | -0.15 |
| Nov | 1.97 | 2.00 | -0.03 |
| Dec | 1.56 | 1.65 | -0.09 |
37.90 | 38.60 | -0.70 |