| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.59 | 7.45 | 0.14 |
| Feb | 7.09 | 7.04 | 0.05 |
| Mar | 6.69 | 6.69 | 0.00 |
| Apr | 3.78 | 3.73 | 0.05 |
| May | 2.29 | 2.42 | -0.13 |
| Jun | 0.58 | 0.53 | 0.05 |
| Jul | 0.02 | 0.03 | -0.01 |
| Aug | 0.05 | 0.05 | 0.00 |
| Sep | 0.35 | 0.31 | 0.04 |
| Oct | 2.23 | 2.12 | 0.11 |
| Nov | 4.23 | 3.97 | 0.26 |
| Dec | 7.39 | 7.15 | 0.24 |
42.29 | 41.49 | 0.80 |