| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.86 | 1.96 | -0.10 | 
| Feb | 1.74 | 1.90 | -0.16 | 
| Mar | 2.21 | 2.26 | -0.05 | 
| Apr | 3.76 | 3.76 | 0.00 | 
| May | 4.23 | 4.37 | -0.14 | 
| Jun | 4.39 | 4.22 | 0.17 | 
| Jul | 3.64 | 3.64 | 0.00 | 
| Aug | 3.74 | 3.60 | 0.14 | 
| Sep | 3.38 | 3.59 | -0.21 | 
| Oct | 3.22 | 3.32 | -0.10 | 
| Nov | 2.45 | 2.44 | 0.01 | 
| Dec | 1.99 | 2.09 | -0.10 | 
| 36.61 | 37.15 | -0.54 |