| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.70 | -0.16 |
| Feb | 3.11 | 3.09 | 0.02 |
| Mar | 3.81 | 3.92 | -0.11 |
| Apr | 3.43 | 3.36 | 0.07 |
| May | 3.56 | 3.32 | 0.24 |
| Jun | 4.48 | 4.55 | -0.07 |
| Jul | 4.41 | 5.03 | -0.62 |
| Aug | 4.17 | 4.70 | -0.53 |
| Sep | 5.14 | 5.19 | -0.05 |
| Oct | 3.55 | 3.50 | 0.05 |
| Nov | 3.48 | 3.41 | 0.07 |
| Dec | 3.68 | 3.60 | 0.08 |
46.36 | 47.37 | -1.01 |