| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.76 | 1.87 | -0.11 | 
| Feb | 1.65 | 1.80 | -0.15 | 
| Mar | 2.23 | 2.29 | -0.06 | 
| Apr | 3.64 | 3.71 | -0.07 | 
| May | 4.64 | 4.54 | 0.10 | 
| Jun | 4.47 | 4.38 | 0.09 | 
| Jul | 3.86 | 3.89 | -0.03 | 
| Aug | 3.93 | 3.72 | 0.21 | 
| Sep | 3.34 | 3.31 | 0.03 | 
| Oct | 3.20 | 3.29 | -0.09 | 
| Nov | 2.46 | 2.46 | 0.00 | 
| Dec | 1.99 | 2.05 | -0.06 | 
| 37.17 | 37.31 | -0.14 |