| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.87 | -0.12 |
| Feb | 0.72 | 0.75 | -0.03 |
| Mar | 1.09 | 1.13 | -0.04 |
| Apr | 1.83 | 1.99 | -0.16 |
| May | 3.00 | 3.07 | -0.07 |
| Jun | 4.41 | 4.38 | 0.03 |
| Jul | 3.88 | 4.10 | -0.22 |
| Aug | 3.34 | 3.34 | 0.00 |
| Sep | 3.01 | 3.28 | -0.27 |
| Oct | 2.59 | 2.70 | -0.11 |
| Nov | 1.34 | 1.44 | -0.10 |
| Dec | 0.99 | 1.13 | -0.14 |
26.95 | 28.18 | -1.23 |