| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.10 | 0.04 |
| Feb | 1.97 | 1.92 | 0.05 |
| Mar | 2.29 | 2.38 | -0.09 |
| Apr | 2.43 | 2.52 | -0.09 |
| May | 3.74 | 4.10 | -0.36 |
| Jun | 8.86 | 9.70 | -0.84 |
| Jul | 8.10 | 8.45 | -0.35 |
| Aug | 8.37 | 9.16 | -0.79 |
| Sep | 7.02 | 7.38 | -0.36 |
| Oct | 3.28 | 3.13 | 0.15 |
| Nov | 1.70 | 1.58 | 0.12 |
| Dec | 1.69 | 1.72 | -0.03 |
51.59 | 54.14 | -2.55 |