| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.99 | -0.35 |
| Feb | 1.50 | 1.53 | -0.03 |
| Mar | 1.08 | 1.30 | -0.22 |
| Apr | 1.07 | 1.06 | 0.01 |
| May | 1.10 | 1.09 | 0.01 |
| Jun | 0.54 | 0.54 | 0.00 |
| Jul | 2.02 | 1.78 | 0.24 |
| Aug | 2.14 | 2.26 | -0.12 |
| Sep | 2.08 | 2.08 | 0.00 |
| Oct | 1.69 | 1.80 | -0.11 |
| Nov | 1.37 | 1.34 | 0.03 |
| Dec | 1.45 | 1.63 | -0.18 |
17.68 | 18.40 | -0.72 |