| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.56 | -0.12 |
| Feb | 2.69 | 2.72 | -0.03 |
| Mar | 3.54 | 3.52 | 0.02 |
| Apr | 3.45 | 3.50 | -0.05 |
| May | 4.68 | 4.51 | 0.17 |
| Jun | 3.78 | 3.97 | -0.19 |
| Jul | 1.95 | 2.23 | -0.28 |
| Aug | 2.23 | 2.24 | -0.01 |
| Sep | 2.97 | 3.20 | -0.23 |
| Oct | 4.44 | 4.73 | -0.29 |
| Nov | 2.80 | 3.00 | -0.20 |
| Dec | 2.82 | 3.16 | -0.34 |
37.79 | 39.34 | -1.55 |