| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.40 | -0.04 |
| Feb | 0.35 | 0.37 | -0.02 |
| Mar | 1.00 | 1.04 | -0.04 |
| Apr | 1.43 | 1.48 | -0.05 |
| May | 2.03 | 1.98 | 0.05 |
| Jun | 2.65 | 2.64 | 0.01 |
| Jul | 2.76 | 2.85 | -0.09 |
| Aug | 2.91 | 2.97 | -0.06 |
| Sep | 1.24 | 1.38 | -0.14 |
| Oct | 1.54 | 1.58 | -0.04 |
| Nov | 0.45 | 0.49 | -0.04 |
| Dec | 0.57 | 0.67 | -0.10 |
17.29 | 17.85 | -0.56 |