| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.43 | -0.19 |
| Feb | 2.82 | 3.05 | -0.23 |
| Mar | 3.99 | 4.24 | -0.25 |
| Apr | 3.46 | 3.60 | -0.14 |
| May | 3.60 | 3.94 | -0.34 |
| Jun | 4.15 | 4.25 | -0.10 |
| Jul | 4.21 | 4.28 | -0.07 |
| Aug | 4.62 | 4.60 | 0.02 |
| Sep | 4.17 | 4.33 | -0.16 |
| Oct | 3.76 | 4.27 | -0.51 |
| Nov | 3.19 | 3.29 | -0.10 |
| Dec | 3.77 | 4.03 | -0.26 |
44.98 | 47.31 | -2.33 |