| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.41 | 4.18 | 0.23 |
| Feb | 4.56 | 4.59 | -0.03 |
| Mar | 5.27 | 5.38 | -0.11 |
| Apr | 5.54 | 5.31 | 0.23 |
| May | 4.75 | 4.78 | -0.03 |
| Jun | 3.69 | 3.76 | -0.07 |
| Jul | 3.91 | 4.09 | -0.18 |
| Aug | 3.32 | 3.30 | 0.02 |
| Sep | 3.47 | 3.50 | -0.03 |
| Oct | 4.53 | 4.61 | -0.08 |
| Nov | 4.20 | 4.29 | -0.09 |
| Dec | 5.49 | 5.60 | -0.11 |
53.14 | 53.39 | -0.25 |