| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.19 | 0.03 |
| Feb | 2.01 | 2.02 | -0.01 |
| Mar | 2.75 | 2.70 | 0.05 |
| Apr | 4.07 | 4.03 | 0.04 |
| May | 4.51 | 4.48 | 0.03 |
| Jun | 4.33 | 4.41 | -0.08 |
| Jul | 4.00 | 3.98 | 0.02 |
| Aug | 3.37 | 3.26 | 0.11 |
| Sep | 3.03 | 3.04 | -0.01 |
| Oct | 3.27 | 3.27 | 0.00 |
| Nov | 3.02 | 2.94 | 0.08 |
| Dec | 2.27 | 2.24 | 0.03 |
38.85 | 38.56 | 0.29 |