| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.48 | -0.23 |
| Feb | 3.05 | 3.17 | -0.12 |
| Mar | 3.34 | 3.47 | -0.13 |
| Apr | 3.22 | 3.26 | -0.04 |
| May | 3.06 | 3.13 | -0.07 |
| Jun | 5.38 | 5.54 | -0.16 |
| Jul | 5.65 | 6.02 | -0.37 |
| Aug | 6.31 | 6.72 | -0.41 |
| Sep | 5.17 | 5.36 | -0.19 |
| Oct | 4.24 | 4.28 | -0.04 |
| Nov | 2.71 | 2.83 | -0.12 |
| Dec | 3.20 | 3.50 | -0.30 |
48.58 | 50.76 | -2.18 |