| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.01 | 0.06 |
| Feb | 1.83 | 1.90 | -0.07 |
| Mar | 2.53 | 2.60 | -0.07 |
| Apr | 2.46 | 2.48 | -0.02 |
| May | 4.34 | 4.57 | -0.23 |
| Jun | 3.49 | 3.49 | 0.00 |
| Jul | 2.30 | 2.63 | -0.33 |
| Aug | 2.51 | 2.57 | -0.06 |
| Sep | 3.75 | 4.07 | -0.32 |
| Oct | 3.53 | 3.83 | -0.30 |
| Nov | 2.38 | 2.61 | -0.23 |
| Dec | 1.88 | 2.24 | -0.36 |
33.07 | 35.00 | -1.93 |