| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.60 | 0.02 |
| Feb | 0.70 | 0.65 | 0.05 |
| Mar | 1.51 | 1.50 | 0.01 |
| Apr | 2.20 | 2.31 | -0.11 |
| May | 2.20 | 2.19 | 0.01 |
| Jun | 1.91 | 2.06 | -0.15 |
| Jul | 2.32 | 2.38 | -0.06 |
| Aug | 2.16 | 2.25 | -0.09 |
| Sep | 1.35 | 1.41 | -0.06 |
| Oct | 1.06 | 1.06 | 0.00 |
| Nov | 0.80 | 0.78 | 0.02 |
| Dec | 0.65 | 0.64 | 0.01 |
17.48 | 17.83 | -0.35 |