| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.42 | 0.04 |
| Feb | 0.41 | 0.38 | 0.03 |
| Mar | 0.26 | 0.27 | -0.01 |
| Apr | 0.26 | 0.26 | 0.00 |
| May | 0.36 | 0.56 | -0.20 |
| Jun | 0.56 | 0.67 | -0.11 |
| Jul | 2.19 | 1.96 | 0.23 |
| Aug | 1.97 | 2.02 | -0.05 |
| Sep | 1.63 | 1.55 | 0.08 |
| Oct | 0.91 | 0.90 | 0.01 |
| Nov | 0.58 | 0.54 | 0.04 |
| Dec | 0.64 | 0.61 | 0.03 |
10.23 | 10.14 | 0.09 |