| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.04 | -0.01 |
| Feb | 2.94 | 2.74 | 0.20 |
| Mar | 3.22 | 3.19 | 0.03 |
| Apr | 2.70 | 2.72 | -0.02 |
| May | 3.44 | 3.88 | -0.44 |
| Jun | 6.56 | 6.49 | 0.07 |
| Jul | 5.76 | 5.42 | 0.34 |
| Aug | 7.25 | 6.85 | 0.40 |
| Sep | 7.54 | 7.79 | -0.25 |
| Oct | 4.59 | 4.55 | 0.04 |
| Nov | 2.62 | 2.38 | 0.24 |
| Dec | 2.78 | 2.74 | 0.04 |
52.43 | 51.79 | 0.64 |