| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 2.57 | 0.68 |
| Feb | 2.49 | 2.33 | 0.16 |
| Mar | 2.76 | 2.54 | 0.22 |
| Apr | 2.44 | 1.99 | 0.45 |
| May | 2.36 | 2.02 | 0.34 |
| Jun | 2.11 | 1.96 | 0.15 |
| Jul | 0.79 | 0.69 | 0.10 |
| Aug | 0.74 | 0.64 | 0.10 |
| Sep | 1.36 | 1.22 | 0.14 |
| Oct | 2.29 | 1.97 | 0.32 |
| Nov | 3.18 | 2.92 | 0.26 |
| Dec | 3.70 | 3.14 | 0.56 |
27.47 | 23.99 | 3.48 |