| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.61 | -0.05 |
| Feb | 3.10 | 2.96 | 0.14 |
| Mar | 4.00 | 4.01 | -0.01 |
| Apr | 3.58 | 3.57 | 0.01 |
| May | 3.74 | 3.66 | 0.08 |
| Jun | 4.42 | 4.37 | 0.05 |
| Jul | 5.00 | 5.34 | -0.34 |
| Aug | 5.12 | 5.05 | 0.07 |
| Sep | 5.44 | 5.57 | -0.13 |
| Oct | 3.33 | 3.32 | 0.01 |
| Nov | 3.38 | 3.36 | 0.02 |
| Dec | 3.53 | 3.47 | 0.06 |
48.20 | 48.29 | -0.09 |