| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.69 | -0.10 |
| Feb | 3.13 | 3.12 | 0.01 |
| Mar | 3.83 | 4.06 | -0.23 |
| Apr | 3.68 | 3.73 | -0.05 |
| May | 3.54 | 3.48 | 0.06 |
| Jun | 4.23 | 4.34 | -0.11 |
| Jul | 3.93 | 4.28 | -0.35 |
| Aug | 4.22 | 4.40 | -0.18 |
| Sep | 3.90 | 4.08 | -0.18 |
| Oct | 3.20 | 3.36 | -0.16 |
| Nov | 3.25 | 3.32 | -0.07 |
| Dec | 3.55 | 3.68 | -0.13 |
44.05 | 45.54 | -1.49 |