| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.80 | 0.01 |
| Feb | 0.99 | 0.98 | 0.01 |
| Mar | 2.11 | 2.11 | 0.00 |
| Apr | 2.77 | 2.86 | -0.09 |
| May | 2.58 | 2.77 | -0.19 |
| Jun | 1.84 | 2.14 | -0.30 |
| Jul | 2.31 | 2.54 | -0.23 |
| Aug | 2.29 | 2.64 | -0.35 |
| Sep | 1.59 | 1.78 | -0.19 |
| Oct | 1.40 | 1.32 | 0.08 |
| Nov | 1.03 | 1.02 | 0.01 |
| Dec | 0.84 | 0.89 | -0.05 |
20.56 | 21.85 | -1.29 |