| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.58 | -0.10 |
| Feb | 3.30 | 3.46 | -0.16 |
| Mar | 4.10 | 4.09 | 0.01 |
| Apr | 4.36 | 4.44 | -0.08 |
| May | 3.68 | 3.66 | 0.02 |
| Jun | 4.41 | 4.56 | -0.15 |
| Jul | 3.53 | 3.52 | 0.01 |
| Aug | 3.44 | 3.36 | 0.08 |
| Sep | 4.01 | 3.97 | 0.04 |
| Oct | 5.24 | 5.43 | -0.19 |
| Nov | 4.54 | 4.38 | 0.16 |
| Dec | 4.43 | 4.65 | -0.22 |
48.52 | 49.10 | -0.58 |