| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 2.84 | 0.06 |
| Feb | 2.26 | 2.28 | -0.02 |
| Mar | 2.72 | 2.77 | -0.05 |
| Apr | 2.50 | 2.65 | -0.15 |
| May | 2.78 | 2.75 | 0.03 |
| Jun | 7.27 | 7.46 | -0.19 |
| Jul | 8.41 | 8.11 | 0.30 |
| Aug | 9.19 | 9.14 | 0.05 |
| Sep | 6.46 | 7.06 | -0.60 |
| Oct | 2.60 | 2.59 | 0.01 |
| Nov | 1.64 | 1.71 | -0.07 |
| Dec | 2.52 | 2.41 | 0.11 |
51.25 | 51.77 | -0.52 |