| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.42 | -0.05 |
| Feb | 1.41 | 1.45 | -0.04 |
| Mar | 2.09 | 2.07 | 0.02 |
| Apr | 3.70 | 3.83 | -0.13 |
| May | 4.15 | 4.26 | -0.11 |
| Jun | 5.38 | 5.38 | 0.00 |
| Jul | 4.58 | 4.35 | 0.23 |
| Aug | 4.22 | 4.19 | 0.03 |
| Sep | 3.57 | 3.41 | 0.16 |
| Oct | 2.81 | 2.85 | -0.04 |
| Nov | 2.21 | 2.26 | -0.05 |
| Dec | 1.60 | 1.69 | -0.09 |
37.09 | 37.16 | -0.07 |