| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.07 | -0.11 |
| Feb | 2.63 | 2.72 | -0.09 |
| Mar | 3.75 | 3.86 | -0.11 |
| Apr | 3.41 | 3.42 | -0.01 |
| May | 4.24 | 4.39 | -0.15 |
| Jun | 4.28 | 4.37 | -0.09 |
| Jul | 4.48 | 4.50 | -0.02 |
| Aug | 3.80 | 3.84 | -0.04 |
| Sep | 4.29 | 4.43 | -0.14 |
| Oct | 3.83 | 3.99 | -0.16 |
| Nov | 3.09 | 3.19 | -0.10 |
| Dec | 3.65 | 3.69 | -0.04 |
44.41 | 45.47 | -1.06 |