| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.65 | -0.07 |
| Feb | 3.06 | 2.96 | 0.10 |
| Mar | 4.07 | 4.01 | 0.06 |
| Apr | 3.59 | 3.60 | -0.01 |
| May | 3.78 | 3.60 | 0.18 |
| Jun | 4.47 | 4.40 | 0.07 |
| Jul | 5.00 | 5.36 | -0.36 |
| Aug | 5.05 | 5.02 | 0.03 |
| Sep | 5.32 | 5.48 | -0.16 |
| Oct | 3.46 | 3.36 | 0.10 |
| Nov | 3.43 | 3.42 | 0.01 |
| Dec | 3.56 | 3.55 | 0.01 |
48.37 | 48.41 | -0.04 |