| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.25 | 5.12 | 0.13 |
| Feb | 3.83 | 3.73 | 0.10 |
| Mar | 3.64 | 3.48 | 0.16 |
| Apr | 2.48 | 2.31 | 0.17 |
| May | 1.64 | 1.46 | 0.18 |
| Jun | 0.82 | 0.80 | 0.02 |
| Jul | 0.38 | 0.34 | 0.04 |
| Aug | 0.35 | 0.29 | 0.06 |
| Sep | 0.59 | 0.53 | 0.06 |
| Oct | 2.04 | 2.06 | -0.02 |
| Nov | 4.27 | 4.17 | 0.10 |
| Dec | 6.34 | 6.20 | 0.14 |
31.63 | 30.49 | 1.14 |