| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 3.82 | 0.00 |
| Feb | 3.56 | 3.56 | 0.00 |
| Mar | 4.00 | 4.02 | -0.02 |
| Apr | 3.07 | 3.03 | 0.04 |
| May | 3.19 | 3.21 | -0.02 |
| Jun | 4.52 | 4.42 | 0.10 |
| Jul | 4.16 | 4.13 | 0.03 |
| Aug | 4.35 | 4.67 | -0.32 |
| Sep | 3.84 | 3.98 | -0.14 |
| Oct | 3.27 | 3.33 | -0.06 |
| Nov | 3.17 | 3.23 | -0.06 |
| Dec | 4.00 | 4.01 | -0.01 |
44.95 | 45.41 | -0.46 |