| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.71 | -0.24 |
| Feb | 1.98 | 2.14 | -0.16 |
| Mar | 2.33 | 2.36 | -0.03 |
| Apr | 3.75 | 3.66 | 0.09 |
| May | 3.80 | 3.92 | -0.12 |
| Jun | 3.56 | 3.54 | 0.02 |
| Jul | 3.23 | 3.22 | 0.01 |
| Aug | 3.32 | 3.34 | -0.02 |
| Sep | 3.12 | 3.09 | 0.03 |
| Oct | 3.84 | 3.80 | 0.04 |
| Nov | 3.01 | 3.11 | -0.10 |
| Dec | 2.41 | 2.62 | -0.21 |
36.82 | 37.51 | -0.69 |