| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.56 | -0.12 |
| Feb | 3.51 | 3.61 | -0.10 |
| Mar | 4.17 | 4.26 | -0.09 |
| Apr | 4.43 | 4.54 | -0.11 |
| May | 3.75 | 3.69 | 0.06 |
| Jun | 4.34 | 4.30 | 0.04 |
| Jul | 3.46 | 3.52 | -0.06 |
| Aug | 3.43 | 3.48 | -0.05 |
| Sep | 3.89 | 3.75 | 0.14 |
| Oct | 4.97 | 5.29 | -0.32 |
| Nov | 4.38 | 4.27 | 0.11 |
| Dec | 4.58 | 4.74 | -0.16 |
48.35 | 49.01 | -0.66 |