| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.33 | 2.40 | -0.07 |
| Feb | 2.01 | 2.07 | -0.06 |
| Mar | 2.46 | 2.44 | 0.02 |
| Apr | 3.68 | 3.59 | 0.09 |
| May | 4.28 | 4.16 | 0.12 |
| Jun | 4.59 | 4.56 | 0.03 |
| Jul | 4.19 | 4.42 | -0.23 |
| Aug | 4.30 | 4.31 | -0.01 |
| Sep | 3.29 | 3.28 | 0.01 |
| Oct | 3.52 | 3.52 | 0.00 |
| Nov | 2.77 | 2.80 | -0.03 |
| Dec | 2.26 | 2.28 | -0.02 |
39.68 | 39.83 | -0.15 |