| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 2.82 | 0.03 |
| Feb | 2.23 | 2.22 | 0.01 |
| Mar | 3.16 | 3.10 | 0.06 |
| Apr | 4.03 | 3.98 | 0.05 |
| May | 4.23 | 4.24 | -0.01 |
| Jun | 4.38 | 4.37 | 0.01 |
| Jul | 4.07 | 4.16 | -0.09 |
| Aug | 3.36 | 3.30 | 0.06 |
| Sep | 2.95 | 2.94 | 0.01 |
| Oct | 2.86 | 2.81 | 0.05 |
| Nov | 3.06 | 3.02 | 0.04 |
| Dec | 2.82 | 2.82 | 0.00 |
40.00 | 39.78 | 0.22 |