| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.22 | 6.01 | 0.21 |
| Feb | 5.76 | 5.18 | 0.58 |
| Mar | 5.07 | 4.58 | 0.49 |
| Apr | 3.50 | 2.74 | 0.76 |
| May | 2.19 | 2.02 | 0.17 |
| Jun | 0.91 | 0.82 | 0.09 |
| Jul | 0.04 | 0.09 | -0.05 |
| Aug | 0.11 | 0.10 | 0.01 |
| Sep | 0.38 | 0.45 | -0.07 |
| Oct | 2.05 | 1.76 | 0.29 |
| Nov | 3.87 | 3.58 | 0.29 |
| Dec | 6.47 | 6.19 | 0.28 |
36.57 | 33.52 | 3.05 |