| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.42 | -0.08 |
| Feb | 1.64 | 1.68 | -0.04 |
| Mar | 2.34 | 2.29 | 0.05 |
| Apr | 3.60 | 3.69 | -0.09 |
| May | 5.24 | 5.30 | -0.06 |
| Jun | 5.20 | 5.02 | 0.18 |
| Jul | 4.02 | 3.99 | 0.03 |
| Aug | 4.06 | 4.01 | 0.05 |
| Sep | 3.55 | 3.53 | 0.02 |
| Oct | 2.90 | 2.90 | 0.00 |
| Nov | 2.25 | 2.27 | -0.02 |
| Dec | 1.65 | 1.71 | -0.06 |
37.79 | 37.81 | -0.02 |