| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.45 | -0.03 |
| Feb | 0.39 | 0.44 | -0.05 |
| Mar | 0.66 | 0.73 | -0.07 |
| Apr | 1.01 | 0.97 | 0.04 |
| May | 2.66 | 2.59 | 0.07 |
| Jun | 3.71 | 3.99 | -0.28 |
| Jul | 3.43 | 3.41 | 0.02 |
| Aug | 2.46 | 2.51 | -0.05 |
| Sep | 1.93 | 1.99 | -0.06 |
| Oct | 1.46 | 1.26 | 0.20 |
| Nov | 0.65 | 0.74 | -0.09 |
| Dec | 0.57 | 0.64 | -0.07 |
19.35 | 19.72 | -0.37 |