| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.17 | -0.10 |
| Feb | 2.67 | 2.78 | -0.11 |
| Mar | 3.90 | 3.98 | -0.08 |
| Apr | 3.27 | 3.23 | 0.04 |
| May | 3.75 | 3.82 | -0.07 |
| Jun | 4.12 | 4.26 | -0.14 |
| Jul | 4.56 | 4.61 | -0.05 |
| Aug | 4.54 | 4.55 | -0.01 |
| Sep | 4.33 | 4.20 | 0.13 |
| Oct | 3.90 | 3.87 | 0.03 |
| Nov | 3.20 | 3.13 | 0.07 |
| Dec | 3.59 | 3.64 | -0.05 |
44.90 | 45.24 | -0.34 |