| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.49 | 1.64 | -0.15 |
| Feb | 1.41 | 1.57 | -0.16 |
| Mar | 1.99 | 1.96 | 0.03 |
| Apr | 2.46 | 2.59 | -0.13 |
| May | 2.23 | 2.30 | -0.07 |
| Jun | 1.08 | 1.08 | 0.00 |
| Jul | 0.57 | 0.61 | -0.04 |
| Aug | 0.64 | 0.59 | 0.05 |
| Sep | 1.26 | 1.25 | 0.01 |
| Oct | 1.53 | 1.49 | 0.04 |
| Nov | 1.44 | 1.50 | -0.06 |
| Dec | 1.45 | 1.54 | -0.09 |
17.55 | 18.12 | -0.57 |