| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.97 | -0.17 |
| Feb | 0.80 | 0.96 | -0.16 |
| Mar | 1.63 | 1.74 | -0.11 |
| Apr | 2.92 | 2.99 | -0.07 |
| May | 4.12 | 4.24 | -0.12 |
| Jun | 4.70 | 4.92 | -0.22 |
| Jul | 4.18 | 4.33 | -0.15 |
| Aug | 4.54 | 4.41 | 0.13 |
| Sep | 3.33 | 3.28 | 0.05 |
| Oct | 2.66 | 2.80 | -0.14 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.14 | 1.33 | -0.19 |
32.38 | 33.67 | -1.29 |