| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.46 | 5.78 | -0.32 |
| Feb | 5.14 | 5.40 | -0.26 |
| Mar | 5.48 | 5.72 | -0.24 |
| Apr | 4.84 | 5.15 | -0.31 |
| May | 4.27 | 4.43 | -0.16 |
| Jun | 4.71 | 5.15 | -0.44 |
| Jul | 4.84 | 5.12 | -0.28 |
| Aug | 4.78 | 5.12 | -0.34 |
| Sep | 4.33 | 4.40 | -0.07 |
| Oct | 4.01 | 4.38 | -0.37 |
| Nov | 4.73 | 4.86 | -0.13 |
| Dec | 5.65 | 5.85 | -0.20 |
58.24 | 61.36 | -3.12 |