| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.61 | 3.62 | -0.01 | 
| Feb | 3.76 | 3.74 | 0.02 | 
| Mar | 4.71 | 4.67 | 0.04 | 
| Apr | 4.90 | 4.91 | -0.01 | 
| May | 5.30 | 5.34 | -0.04 | 
| Jun | 4.58 | 4.55 | 0.03 | 
| Jul | 4.38 | 4.23 | 0.15 | 
| Aug | 3.47 | 3.33 | 0.14 | 
| Sep | 3.60 | 3.54 | 0.06 | 
| Oct | 3.75 | 3.76 | -0.01 | 
| Nov | 3.60 | 3.60 | 0.00 | 
| Dec | 4.41 | 4.47 | -0.06 | 
| 50.07 | 49.76 | 0.31 |