| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 1.13 | -0.07 |
| Feb | 1.50 | 1.55 | -0.05 |
| Mar | 2.37 | 2.40 | -0.03 |
| Apr | 3.83 | 3.92 | -0.09 |
| May | 5.26 | 5.41 | -0.15 |
| Jun | 5.38 | 5.32 | 0.06 |
| Jul | 4.20 | 4.18 | 0.02 |
| Aug | 4.19 | 4.29 | -0.10 |
| Sep | 3.84 | 4.06 | -0.22 |
| Oct | 3.16 | 3.23 | -0.07 |
| Nov | 2.09 | 2.15 | -0.06 |
| Dec | 1.62 | 1.65 | -0.03 |
38.50 | 39.29 | -0.79 |