| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.69 | 5.58 | 0.11 |
| Feb | 4.17 | 4.08 | 0.09 |
| Mar | 4.04 | 3.92 | 0.12 |
| Apr | 2.83 | 2.84 | -0.01 |
| May | 2.03 | 2.04 | -0.01 |
| Jun | 1.34 | 1.33 | 0.01 |
| Jul | 0.38 | 0.37 | 0.01 |
| Aug | 0.52 | 0.46 | 0.06 |
| Sep | 1.33 | 1.29 | 0.04 |
| Oct | 3.27 | 3.22 | 0.05 |
| Nov | 5.70 | 5.85 | -0.15 |
| Dec | 6.68 | 7.08 | -0.40 |
37.98 | 38.06 | -0.08 |