| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.38 | 0.19 |
| Feb | 2.58 | 2.35 | 0.23 |
| Mar | 2.26 | 2.08 | 0.18 |
| Apr | 1.69 | 1.74 | -0.05 |
| May | 1.30 | 1.33 | -0.03 |
| Jun | 0.70 | 0.70 | 0.00 |
| Jul | 0.30 | 0.30 | 0.00 |
| Aug | 0.26 | 0.30 | -0.04 |
| Sep | 0.46 | 0.44 | 0.02 |
| Oct | 1.47 | 1.41 | 0.06 |
| Nov | 3.00 | 2.97 | 0.03 |
| Dec | 4.37 | 4.34 | 0.03 |
21.96 | 21.34 | 0.62 |