| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.42 | -0.31 |
| Feb | 2.85 | 3.02 | -0.17 |
| Mar | 3.68 | 3.88 | -0.20 |
| Apr | 3.80 | 4.00 | -0.20 |
| May | 3.52 | 3.66 | -0.14 |
| Jun | 4.26 | 4.32 | -0.06 |
| Jul | 3.95 | 4.08 | -0.13 |
| Aug | 4.12 | 4.19 | -0.07 |
| Sep | 4.15 | 4.24 | -0.09 |
| Oct | 4.43 | 4.80 | -0.37 |
| Nov | 3.49 | 3.71 | -0.22 |
| Dec | 3.98 | 4.34 | -0.36 |
45.34 | 47.66 | -2.32 |