| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.68 | -0.05 |
| Feb | 0.83 | 0.82 | 0.01 |
| Mar | 1.77 | 1.75 | 0.02 |
| Apr | 2.52 | 2.58 | -0.06 |
| May | 2.45 | 2.59 | -0.14 |
| Jun | 1.88 | 1.93 | -0.05 |
| Jul | 2.30 | 2.73 | -0.43 |
| Aug | 2.23 | 2.40 | -0.17 |
| Sep | 1.68 | 1.73 | -0.05 |
| Oct | 1.23 | 1.32 | -0.09 |
| Nov | 0.82 | 0.90 | -0.08 |
| Dec | 0.65 | 0.68 | -0.03 |
18.99 | 20.11 | -1.12 |