| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.62 | 0.00 |
| Feb | 0.75 | 0.84 | -0.09 |
| Mar | 1.54 | 1.58 | -0.04 |
| Apr | 2.30 | 2.53 | -0.23 |
| May | 2.53 | 2.53 | 0.00 |
| Jun | 1.75 | 1.69 | 0.06 |
| Jul | 1.99 | 1.84 | 0.15 |
| Aug | 1.88 | 1.64 | 0.24 |
| Sep | 1.32 | 1.33 | -0.01 |
| Oct | 1.14 | 1.31 | -0.17 |
| Nov | 0.89 | 1.01 | -0.12 |
| Dec | 0.62 | 0.70 | -0.08 |
17.33 | 17.62 | -0.29 |