| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.49 | -0.01 |
| Feb | 0.53 | 0.60 | -0.07 |
| Mar | 1.24 | 1.40 | -0.16 |
| Apr | 1.88 | 2.12 | -0.24 |
| May | 2.41 | 2.41 | 0.00 |
| Jun | 1.76 | 1.64 | 0.12 |
| Jul | 1.88 | 1.82 | 0.06 |
| Aug | 1.80 | 1.79 | 0.01 |
| Sep | 1.41 | 1.30 | 0.11 |
| Oct | 1.13 | 1.14 | -0.01 |
| Nov | 0.81 | 0.76 | 0.05 |
| Dec | 0.54 | 0.54 | 0.00 |
15.87 | 16.01 | -0.14 |