| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.14 | -0.12 |
| Feb | 2.44 | 2.54 | -0.10 |
| Mar | 3.38 | 3.44 | -0.06 |
| Apr | 4.37 | 4.66 | -0.29 |
| May | 4.74 | 4.84 | -0.10 |
| Jun | 5.04 | 5.06 | -0.02 |
| Jul | 4.36 | 4.29 | 0.07 |
| Aug | 3.28 | 3.11 | 0.17 |
| Sep | 3.29 | 3.44 | -0.15 |
| Oct | 3.45 | 3.36 | 0.09 |
| Nov | 3.41 | 3.54 | -0.13 |
| Dec | 2.96 | 3.08 | -0.12 |
43.74 | 44.50 | -0.76 |