| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.50 | -0.39 |
| Feb | 1.80 | 2.05 | -0.25 |
| Mar | 2.23 | 2.32 | -0.09 |
| Apr | 3.11 | 3.11 | 0.00 |
| May | 3.73 | 3.77 | -0.04 |
| Jun | 3.59 | 3.60 | -0.01 |
| Jul | 3.25 | 3.28 | -0.03 |
| Aug | 3.20 | 3.34 | -0.14 |
| Sep | 2.88 | 2.91 | -0.03 |
| Oct | 2.82 | 2.91 | -0.09 |
| Nov | 2.48 | 2.60 | -0.12 |
| Dec | 2.01 | 2.23 | -0.22 |
33.21 | 34.62 | -1.41 |