| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.29 | -0.22 |
| Feb | 1.40 | 1.69 | -0.29 |
| Mar | 1.84 | 1.93 | -0.09 |
| Apr | 2.91 | 3.15 | -0.24 |
| May | 3.14 | 3.07 | 0.07 |
| Jun | 2.87 | 2.98 | -0.11 |
| Jul | 2.94 | 2.95 | -0.01 |
| Aug | 3.09 | 3.16 | -0.07 |
| Sep | 3.41 | 3.50 | -0.09 |
| Oct | 3.92 | 3.95 | -0.03 |
| Nov | 2.66 | 2.85 | -0.19 |
| Dec | 2.22 | 2.42 | -0.20 |
32.47 | 33.94 | -1.47 |