| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.26 | -0.04 |
| Feb | 1.60 | 1.59 | 0.01 |
| Mar | 2.62 | 2.71 | -0.09 |
| Apr | 4.26 | 4.33 | -0.07 |
| May | 5.70 | 5.79 | -0.09 |
| Jun | 5.37 | 5.36 | 0.01 |
| Jul | 4.32 | 4.55 | -0.23 |
| Aug | 4.10 | 4.14 | -0.04 |
| Sep | 4.28 | 4.37 | -0.09 |
| Oct | 3.50 | 3.55 | -0.05 |
| Nov | 2.40 | 2.38 | 0.02 |
| Dec | 1.81 | 1.80 | 0.01 |
41.18 | 41.83 | -0.65 |