| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.11 | -0.09 |
| Feb | 2.69 | 2.80 | -0.11 |
| Mar | 4.01 | 4.07 | -0.06 |
| Apr | 3.43 | 3.48 | -0.05 |
| May | 3.89 | 4.19 | -0.30 |
| Jun | 4.20 | 4.36 | -0.16 |
| Jul | 4.48 | 4.53 | -0.05 |
| Aug | 4.38 | 4.16 | 0.22 |
| Sep | 4.47 | 4.53 | -0.06 |
| Oct | 3.98 | 4.15 | -0.17 |
| Nov | 3.13 | 3.23 | -0.10 |
| Dec | 3.70 | 3.86 | -0.16 |
45.38 | 46.47 | -1.09 |