| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.86 | 0.00 |
| Feb | 0.86 | 0.87 | -0.01 |
| Mar | 1.37 | 1.41 | -0.04 |
| Apr | 2.47 | 2.49 | -0.02 |
| May | 3.33 | 3.42 | -0.09 |
| Jun | 4.51 | 4.56 | -0.05 |
| Jul | 4.21 | 4.23 | -0.02 |
| Aug | 3.72 | 3.85 | -0.13 |
| Sep | 3.21 | 3.29 | -0.08 |
| Oct | 3.00 | 3.11 | -0.11 |
| Nov | 1.67 | 1.75 | -0.08 |
| Dec | 1.25 | 1.46 | -0.21 |
30.46 | 31.30 | -0.84 |