| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.46 | 0.01 |
| Feb | 0.35 | 0.38 | -0.03 |
| Mar | 1.06 | 1.08 | -0.02 |
| Apr | 1.31 | 1.33 | -0.02 |
| May | 1.91 | 2.11 | -0.20 |
| Jun | 2.50 | 2.42 | 0.08 |
| Jul | 2.75 | 2.70 | 0.05 |
| Aug | 2.63 | 2.76 | -0.13 |
| Sep | 1.38 | 1.29 | 0.09 |
| Oct | 1.46 | 1.58 | -0.12 |
| Nov | 0.53 | 0.49 | 0.04 |
| Dec | 0.62 | 0.66 | -0.04 |
16.97 | 17.26 | -0.29 |