| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.60 | 0.07 |
| Feb | 0.76 | 0.65 | 0.11 |
| Mar | 1.58 | 1.60 | -0.02 |
| Apr | 2.38 | 2.30 | 0.08 |
| May | 2.32 | 2.22 | 0.10 |
| Jun | 1.99 | 2.13 | -0.14 |
| Jul | 2.46 | 2.37 | 0.09 |
| Aug | 2.28 | 2.49 | -0.21 |
| Sep | 1.43 | 1.44 | -0.01 |
| Oct | 1.09 | 1.04 | 0.05 |
| Nov | 0.83 | 0.76 | 0.07 |
| Dec | 0.71 | 0.64 | 0.07 |
18.50 | 18.24 | 0.26 |