| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.93 | -0.48 |
| Feb | 0.96 | 1.30 | -0.34 |
| Mar | 1.42 | 1.41 | 0.01 |
| Apr | 1.10 | 1.10 | 0.00 |
| May | 1.32 | 1.40 | -0.08 |
| Jun | 1.25 | 1.12 | 0.13 |
| Jul | 0.48 | 0.50 | -0.02 |
| Aug | 0.37 | 0.37 | 0.00 |
| Sep | 0.48 | 0.59 | -0.11 |
| Oct | 1.16 | 1.16 | 0.00 |
| Nov | 1.61 | 1.73 | -0.12 |
| Dec | 1.98 | 2.33 | -0.35 |
13.58 | 14.94 | -1.36 |