| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.03 | 0.07 |
| Feb | 1.10 | 1.07 | 0.03 |
| Mar | 2.02 | 1.90 | 0.12 |
| Apr | 3.73 | 3.65 | 0.08 |
| May | 4.62 | 4.54 | 0.08 |
| Jun | 5.40 | 5.30 | 0.10 |
| Jul | 4.33 | 4.23 | 0.10 |
| Aug | 4.60 | 4.56 | 0.04 |
| Sep | 3.82 | 3.66 | 0.16 |
| Oct | 2.57 | 2.49 | 0.08 |
| Nov | 1.82 | 1.73 | 0.09 |
| Dec | 1.32 | 1.27 | 0.05 |
36.43 | 35.43 | 1.00 |