| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.06 | -0.08 |
| Feb | 2.37 | 2.51 | -0.14 |
| Mar | 3.39 | 3.40 | -0.01 |
| Apr | 4.39 | 4.56 | -0.17 |
| May | 4.77 | 4.78 | -0.01 |
| Jun | 4.97 | 4.99 | -0.02 |
| Jul | 4.25 | 4.29 | -0.04 |
| Aug | 3.30 | 3.06 | 0.24 |
| Sep | 3.18 | 3.31 | -0.13 |
| Oct | 3.37 | 3.28 | 0.09 |
| Nov | 3.38 | 3.46 | -0.08 |
| Dec | 2.93 | 3.04 | -0.11 |
43.28 | 43.74 | -0.46 |