| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.40 | -0.20 |
| Feb | 2.40 | 2.41 | -0.01 |
| Mar | 2.35 | 2.34 | 0.01 |
| Apr | 1.97 | 1.98 | -0.01 |
| May | 1.58 | 1.58 | 0.00 |
| Jun | 0.87 | 0.93 | -0.06 |
| Jul | 0.38 | 0.33 | 0.05 |
| Aug | 0.36 | 0.38 | -0.02 |
| Sep | 0.51 | 0.53 | -0.02 |
| Oct | 1.51 | 1.57 | -0.06 |
| Nov | 2.87 | 2.94 | -0.07 |
| Dec | 4.16 | 4.29 | -0.13 |
22.16 | 22.68 | -0.52 |