| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.79 | 0.05 |
| Feb | 2.25 | 2.25 | 0.00 |
| Mar | 2.89 | 2.88 | 0.01 |
| Apr | 2.65 | 2.77 | -0.12 |
| May | 3.36 | 3.54 | -0.18 |
| Jun | 8.81 | 8.64 | 0.17 |
| Jul | 8.36 | 8.34 | 0.02 |
| Aug | 8.42 | 8.43 | -0.01 |
| Sep | 6.76 | 7.26 | -0.50 |
| Oct | 2.70 | 2.76 | -0.06 |
| Nov | 1.80 | 1.82 | -0.02 |
| Dec | 2.45 | 2.58 | -0.13 |
53.29 | 54.06 | -0.77 |