| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.66 | -0.13 |
| Feb | 3.00 | 3.09 | -0.09 |
| Mar | 3.80 | 4.01 | -0.21 |
| Apr | 4.01 | 4.06 | -0.05 |
| May | 3.83 | 3.80 | 0.03 |
| Jun | 4.11 | 4.02 | 0.09 |
| Jul | 4.25 | 4.21 | 0.04 |
| Aug | 4.32 | 4.29 | 0.03 |
| Sep | 4.04 | 4.14 | -0.10 |
| Oct | 3.21 | 3.26 | -0.05 |
| Nov | 3.18 | 3.26 | -0.08 |
| Dec | 3.45 | 3.77 | -0.32 |
44.73 | 45.57 | -0.84 |