| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.30 | -0.01 |
| Feb | 3.09 | 3.10 | -0.01 |
| Mar | 4.00 | 3.98 | 0.02 |
| Apr | 3.79 | 3.75 | 0.04 |
| May | 4.37 | 4.31 | 0.06 |
| Jun | 4.58 | 4.58 | 0.00 |
| Jul | 4.45 | 4.46 | -0.01 |
| Aug | 3.67 | 3.58 | 0.09 |
| Sep | 3.52 | 3.38 | 0.14 |
| Oct | 3.01 | 3.01 | 0.00 |
| Nov | 2.87 | 2.83 | 0.04 |
| Dec | 3.48 | 3.52 | -0.04 |
44.12 | 43.80 | 0.32 |