| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.64 | -0.09 |
| Feb | 3.18 | 2.97 | 0.21 |
| Mar | 3.94 | 3.98 | -0.04 |
| Apr | 3.78 | 3.56 | 0.22 |
| May | 3.52 | 3.55 | -0.03 |
| Jun | 4.21 | 4.09 | 0.12 |
| Jul | 3.82 | 3.82 | 0.00 |
| Aug | 4.22 | 4.23 | -0.01 |
| Sep | 3.92 | 3.92 | 0.00 |
| Oct | 3.11 | 3.10 | 0.01 |
| Nov | 3.18 | 3.11 | 0.07 |
| Dec | 3.64 | 3.56 | 0.08 |
44.07 | 43.53 | 0.54 |