| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.79 | 2.89 | -0.10 | 
| Feb | 2.32 | 2.38 | -0.06 | 
| Mar | 3.25 | 3.19 | 0.06 | 
| Apr | 4.90 | 4.70 | 0.20 | 
| May | 4.81 | 4.93 | -0.12 | 
| Jun | 4.86 | 4.93 | -0.07 | 
| Jul | 4.12 | 4.13 | -0.01 | 
| Aug | 3.32 | 3.14 | 0.18 | 
| Sep | 3.00 | 2.96 | 0.04 | 
| Oct | 3.51 | 3.52 | -0.01 | 
| Nov | 3.72 | 3.66 | 0.06 | 
| Dec | 2.68 | 2.72 | -0.04 | 
| 43.28 | 43.15 | 0.13 |