| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.73 | -0.14 |
| Feb | 2.94 | 2.98 | -0.04 |
| Mar | 4.23 | 4.23 | 0.00 |
| Apr | 3.78 | 3.85 | -0.07 |
| May | 3.73 | 3.88 | -0.15 |
| Jun | 4.43 | 4.41 | 0.02 |
| Jul | 4.40 | 4.43 | -0.03 |
| Aug | 4.20 | 4.23 | -0.03 |
| Sep | 4.75 | 4.99 | -0.24 |
| Oct | 3.52 | 3.41 | 0.11 |
| Nov | 3.37 | 3.38 | -0.01 |
| Dec | 3.58 | 3.60 | -0.02 |
46.52 | 47.12 | -0.60 |