| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.55 | -0.12 |
| Feb | 3.25 | 3.41 | -0.16 |
| Mar | 3.43 | 3.58 | -0.15 |
| Apr | 3.37 | 3.34 | 0.03 |
| May | 3.69 | 3.80 | -0.11 |
| Jun | 5.03 | 5.13 | -0.10 |
| Jul | 5.36 | 5.69 | -0.33 |
| Aug | 5.79 | 5.98 | -0.19 |
| Sep | 5.20 | 5.44 | -0.24 |
| Oct | 3.61 | 3.79 | -0.18 |
| Nov | 3.07 | 3.11 | -0.04 |
| Dec | 3.64 | 3.68 | -0.04 |
48.87 | 50.50 | -1.63 |