| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.63 | -0.17 |
| Feb | 2.96 | 3.06 | -0.10 |
| Mar | 3.88 | 3.98 | -0.10 |
| Apr | 3.76 | 4.06 | -0.30 |
| May | 3.72 | 3.64 | 0.08 |
| Jun | 4.09 | 3.95 | 0.14 |
| Jul | 4.24 | 4.17 | 0.07 |
| Aug | 4.06 | 4.40 | -0.34 |
| Sep | 3.98 | 4.00 | -0.02 |
| Oct | 3.06 | 3.28 | -0.22 |
| Nov | 3.20 | 3.31 | -0.11 |
| Dec | 3.59 | 3.85 | -0.26 |
44.00 | 45.33 | -1.33 |