| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.16 | 2.21 | -0.05 | 
| Feb | 1.86 | 1.96 | -0.10 | 
| Mar | 2.63 | 2.64 | -0.01 | 
| Apr | 3.70 | 3.75 | -0.05 | 
| May | 4.36 | 4.44 | -0.08 | 
| Jun | 4.28 | 4.23 | 0.05 | 
| Jul | 4.13 | 4.10 | 0.03 | 
| Aug | 3.54 | 3.35 | 0.19 | 
| Sep | 3.13 | 3.21 | -0.08 | 
| Oct | 3.29 | 3.29 | 0.00 | 
| Nov | 2.97 | 2.87 | 0.10 | 
| Dec | 2.23 | 2.30 | -0.07 | 
| 38.28 | 38.35 | -0.07 |