| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.44 | 0.01 |
| Feb | 0.46 | 0.41 | 0.05 |
| Mar | 0.47 | 0.47 | 0.00 |
| Apr | 0.33 | 0.56 | -0.23 |
| May | 0.74 | 1.09 | -0.35 |
| Jun | 1.31 | 1.48 | -0.17 |
| Jul | 2.78 | 3.05 | -0.27 |
| Aug | 2.73 | 2.71 | 0.02 |
| Sep | 2.03 | 2.14 | -0.11 |
| Oct | 1.19 | 1.20 | -0.01 |
| Nov | 0.37 | 0.44 | -0.07 |
| Dec | 0.71 | 0.70 | 0.01 |
13.57 | 14.69 | -1.12 |