| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.83 | 0.02 |
| Feb | 1.44 | 1.37 | 0.07 |
| Mar | 2.41 | 2.42 | -0.01 |
| Apr | 3.42 | 3.34 | 0.08 |
| May | 5.61 | 5.37 | 0.24 |
| Jun | 5.24 | 5.16 | 0.08 |
| Jul | 4.36 | 4.23 | 0.13 |
| Aug | 4.05 | 3.97 | 0.08 |
| Sep | 3.60 | 3.47 | 0.13 |
| Oct | 3.09 | 2.98 | 0.11 |
| Nov | 1.87 | 1.78 | 0.09 |
| Dec | 1.33 | 1.28 | 0.05 |
37.27 | 36.20 | 1.07 |