| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.76 | -0.04 |
| Feb | 1.69 | 1.78 | -0.09 |
| Mar | 2.18 | 2.23 | -0.05 |
| Apr | 3.74 | 3.73 | 0.01 |
| May | 4.34 | 4.49 | -0.15 |
| Jun | 4.65 | 4.80 | -0.15 |
| Jul | 3.68 | 3.78 | -0.10 |
| Aug | 3.79 | 3.79 | 0.00 |
| Sep | 3.53 | 3.54 | -0.01 |
| Oct | 3.04 | 3.07 | -0.03 |
| Nov | 2.36 | 2.38 | -0.02 |
| Dec | 2.00 | 2.01 | -0.01 |
36.72 | 37.36 | -0.64 |