| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 2.90 | 0.07 |
| Feb | 2.32 | 2.28 | 0.04 |
| Mar | 2.77 | 2.83 | -0.06 |
| Apr | 2.51 | 2.61 | -0.10 |
| May | 2.69 | 2.64 | 0.05 |
| Jun | 7.14 | 7.34 | -0.20 |
| Jul | 8.40 | 8.46 | -0.06 |
| Aug | 9.23 | 9.03 | 0.20 |
| Sep | 6.60 | 7.11 | -0.51 |
| Oct | 2.76 | 2.72 | 0.04 |
| Nov | 1.69 | 1.75 | -0.06 |
| Dec | 2.56 | 2.50 | 0.06 |
51.64 | 52.17 | -0.53 |