| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.65 | -0.10 |
| Feb | 2.96 | 3.09 | -0.13 |
| Mar | 3.78 | 4.00 | -0.22 |
| Apr | 4.02 | 4.12 | -0.10 |
| May | 3.91 | 3.97 | -0.06 |
| Jun | 4.09 | 4.04 | 0.05 |
| Jul | 4.18 | 4.38 | -0.20 |
| Aug | 4.26 | 4.28 | -0.02 |
| Sep | 3.95 | 4.24 | -0.29 |
| Oct | 3.16 | 3.27 | -0.11 |
| Nov | 3.11 | 3.22 | -0.11 |
| Dec | 3.48 | 3.79 | -0.31 |
44.45 | 46.05 | -1.60 |