| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.73 | -0.04 |
| Feb | 0.78 | 0.86 | -0.08 |
| Mar | 1.41 | 1.43 | -0.02 |
| Apr | 2.73 | 2.83 | -0.10 |
| May | 3.95 | 4.09 | -0.14 |
| Jun | 4.53 | 4.46 | 0.07 |
| Jul | 3.84 | 3.87 | -0.03 |
| Aug | 4.00 | 4.29 | -0.29 |
| Sep | 3.26 | 3.27 | -0.01 |
| Oct | 2.52 | 2.55 | -0.03 |
| Nov | 1.41 | 1.46 | -0.05 |
| Dec | 0.99 | 1.07 | -0.08 |
30.11 | 30.91 | -0.80 |