| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.00 | -0.16 |
| Feb | 3.20 | 3.30 | -0.10 |
| Mar | 1.83 | 1.93 | -0.10 |
| Apr | 0.72 | 0.73 | -0.01 |
| May | 0.26 | 0.30 | -0.04 |
| Jun | 0.05 | 0.10 | -0.05 |
| Jul | 0.03 | 0.07 | -0.04 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.11 | 0.12 | -0.01 |
| Oct | 0.50 | 0.61 | -0.11 |
| Nov | 0.87 | 0.83 | 0.04 |
| Dec | 2.20 | 2.29 | -0.09 |
12.62 | 13.28 | -0.66 |