| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.67 | -0.08 |
| Feb | 1.50 | 1.60 | -0.10 |
| Mar | 1.94 | 1.97 | -0.03 |
| Apr | 3.63 | 3.73 | -0.10 |
| May | 3.68 | 3.78 | -0.10 |
| Jun | 4.25 | 4.42 | -0.17 |
| Jul | 3.44 | 3.49 | -0.05 |
| Aug | 3.65 | 3.67 | -0.02 |
| Sep | 3.14 | 3.07 | 0.07 |
| Oct | 2.76 | 2.83 | -0.07 |
| Nov | 2.09 | 2.09 | 0.00 |
| Dec | 1.81 | 1.97 | -0.16 |
33.48 | 34.29 | -0.81 |