| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.67 | -0.06 |
| Feb | 0.75 | 0.78 | -0.03 |
| Mar | 1.49 | 1.47 | 0.02 |
| Apr | 2.74 | 2.79 | -0.05 |
| May | 3.50 | 3.61 | -0.11 |
| Jun | 4.38 | 4.24 | 0.14 |
| Jul | 3.56 | 3.56 | 0.00 |
| Aug | 3.47 | 3.46 | 0.01 |
| Sep | 3.13 | 3.04 | 0.09 |
| Oct | 2.30 | 2.17 | 0.13 |
| Nov | 1.23 | 1.22 | 0.01 |
| Dec | 0.81 | 0.91 | -0.10 |
27.97 | 27.92 | 0.05 |