| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.75 | -0.02 |
| Feb | 0.77 | 0.80 | -0.03 |
| Mar | 1.38 | 1.41 | -0.03 |
| Apr | 1.90 | 1.90 | 0.00 |
| May | 2.96 | 2.95 | 0.01 |
| Jun | 3.41 | 3.52 | -0.11 |
| Jul | 2.22 | 2.29 | -0.07 |
| Aug | 2.54 | 2.64 | -0.10 |
| Sep | 2.63 | 2.87 | -0.24 |
| Oct | 1.71 | 1.78 | -0.07 |
| Nov | 0.91 | 0.98 | -0.07 |
| Dec | 0.83 | 0.86 | -0.03 |
21.99 | 22.75 | -0.76 |