| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.38 | -0.09 |
| Feb | 0.47 | 0.53 | -0.06 |
| Mar | 0.96 | 1.00 | -0.04 |
| Apr | 2.11 | 2.27 | -0.16 |
| May | 3.99 | 4.01 | -0.02 |
| Jun | 3.19 | 3.14 | 0.05 |
| Jul | 2.71 | 2.71 | 0.00 |
| Aug | 1.87 | 2.15 | -0.28 |
| Sep | 1.44 | 1.53 | -0.09 |
| Oct | 1.48 | 1.64 | -0.16 |
| Nov | 0.47 | 0.54 | -0.07 |
| Dec | 0.33 | 0.40 | -0.07 |
19.31 | 20.30 | -0.99 |