| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.61 | 0.05 |
| Feb | 2.99 | 3.00 | -0.01 |
| Mar | 3.90 | 4.04 | -0.14 |
| Apr | 3.63 | 3.77 | -0.14 |
| May | 3.55 | 3.40 | 0.15 |
| Jun | 4.22 | 4.32 | -0.10 |
| Jul | 4.35 | 4.38 | -0.03 |
| Aug | 4.07 | 4.31 | -0.24 |
| Sep | 4.02 | 4.14 | -0.12 |
| Oct | 3.11 | 3.25 | -0.14 |
| Nov | 3.29 | 3.29 | 0.00 |
| Dec | 3.56 | 3.53 | 0.03 |
44.35 | 45.04 | -0.69 |