| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.51 | 7.82 | -0.31 |
| Feb | 5.76 | 5.62 | 0.14 |
| Mar | 5.19 | 5.49 | -0.30 |
| Apr | 3.68 | 3.66 | 0.02 |
| May | 2.18 | 2.22 | -0.04 |
| Jun | 1.25 | 1.34 | -0.09 |
| Jul | 0.30 | 0.31 | -0.01 |
| Aug | 0.47 | 0.47 | 0.00 |
| Sep | 1.48 | 1.47 | 0.01 |
| Oct | 4.02 | 4.00 | 0.02 |
| Nov | 7.34 | 7.57 | -0.23 |
| Dec | 9.67 | 9.31 | 0.36 |
48.85 | 49.28 | -0.43 |