| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.62 | 2.83 | -0.21 | 
| Feb | 2.24 | 2.38 | -0.14 | 
| Mar | 3.37 | 3.49 | -0.12 | 
| Apr | 4.76 | 4.88 | -0.12 | 
| May | 4.94 | 5.04 | -0.10 | 
| Jun | 4.37 | 4.68 | -0.31 | 
| Jul | 3.93 | 4.17 | -0.24 | 
| Aug | 3.34 | 3.59 | -0.25 | 
| Sep | 3.26 | 3.27 | -0.01 | 
| Oct | 3.11 | 3.09 | 0.02 | 
| Nov | 3.44 | 3.68 | -0.24 | 
| Dec | 2.62 | 2.70 | -0.08 | 
| 42.00 | 43.80 | -1.80 |