| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.40 | 0.04 |
| Feb | 1.63 | 1.70 | -0.07 |
| Mar | 2.79 | 2.79 | 0.00 |
| Apr | 3.70 | 3.69 | 0.01 |
| May | 5.10 | 5.09 | 0.01 |
| Jun | 4.73 | 4.74 | -0.01 |
| Jul | 3.63 | 3.66 | -0.03 |
| Aug | 3.32 | 3.29 | 0.03 |
| Sep | 3.84 | 3.73 | 0.11 |
| Oct | 3.39 | 3.40 | -0.01 |
| Nov | 2.16 | 2.20 | -0.04 |
| Dec | 2.02 | 2.02 | 0.00 |
37.75 | 37.71 | 0.04 |