| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.04 | -0.07 |
| Feb | 1.46 | 1.49 | -0.03 |
| Mar | 2.31 | 2.35 | -0.04 |
| Apr | 3.76 | 3.98 | -0.22 |
| May | 5.06 | 5.22 | -0.16 |
| Jun | 5.44 | 5.35 | 0.09 |
| Jul | 4.21 | 4.19 | 0.02 |
| Aug | 4.41 | 4.40 | 0.01 |
| Sep | 3.79 | 3.93 | -0.14 |
| Oct | 3.07 | 3.18 | -0.11 |
| Nov | 1.99 | 2.02 | -0.03 |
| Dec | 1.56 | 1.65 | -0.09 |
38.03 | 38.80 | -0.77 |