| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.17 | -0.06 |
| Feb | 1.06 | 1.07 | -0.01 |
| Mar | 1.80 | 1.77 | 0.03 |
| Apr | 3.23 | 3.26 | -0.03 |
| May | 3.92 | 4.02 | -0.10 |
| Jun | 4.79 | 4.83 | -0.04 |
| Jul | 3.78 | 3.71 | 0.07 |
| Aug | 3.96 | 3.82 | 0.14 |
| Sep | 3.53 | 3.60 | -0.07 |
| Oct | 2.74 | 2.72 | 0.02 |
| Nov | 1.86 | 1.87 | -0.01 |
| Dec | 1.46 | 1.50 | -0.04 |
33.24 | 33.34 | -0.10 |