| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.30 | 0.16 |
| Feb | 2.78 | 2.57 | 0.21 |
| Mar | 1.54 | 1.49 | 0.05 |
| Apr | 0.66 | 0.56 | 0.10 |
| May | 0.22 | 0.23 | -0.01 |
| Jun | 0.05 | 0.07 | -0.02 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.09 | 0.10 | -0.01 |
| Oct | 0.42 | 0.38 | 0.04 |
| Nov | 0.72 | 0.63 | 0.09 |
| Dec | 1.90 | 1.72 | 0.18 |
10.87 | 10.10 | 0.77 |