| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.67 | -0.24 |
| Feb | 2.97 | 3.09 | -0.12 |
| Mar | 3.73 | 4.02 | -0.29 |
| Apr | 3.88 | 4.04 | -0.16 |
| May | 3.73 | 3.72 | 0.01 |
| Jun | 4.00 | 3.98 | 0.02 |
| Jul | 4.26 | 4.16 | 0.10 |
| Aug | 4.22 | 4.29 | -0.07 |
| Sep | 3.99 | 4.07 | -0.08 |
| Oct | 3.16 | 3.27 | -0.11 |
| Nov | 3.15 | 3.28 | -0.13 |
| Dec | 3.36 | 3.75 | -0.39 |
43.88 | 45.34 | -1.46 |