| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.79 | -0.01 |
| Feb | 1.07 | 1.12 | -0.05 |
| Mar | 1.87 | 2.02 | -0.15 |
| Apr | 2.64 | 2.72 | -0.08 |
| May | 4.90 | 5.00 | -0.10 |
| Jun | 4.08 | 3.94 | 0.14 |
| Jul | 3.98 | 3.94 | 0.04 |
| Aug | 3.78 | 3.75 | 0.03 |
| Sep | 2.74 | 2.75 | -0.01 |
| Oct | 2.23 | 2.32 | -0.09 |
| Nov | 1.31 | 1.38 | -0.07 |
| Dec | 1.18 | 1.19 | -0.01 |
30.56 | 30.92 | -0.36 |