| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 4.47 | 4.56 | -0.09 | 
| Feb | 3.86 | 4.00 | -0.14 | 
| Mar | 4.68 | 4.44 | 0.24 | 
| Apr | 3.45 | 3.46 | -0.01 | 
| May | 2.78 | 2.64 | 0.14 | 
| Jun | 6.14 | 6.27 | -0.13 | 
| Jul | 5.85 | 5.78 | 0.07 | 
| Aug | 5.58 | 5.59 | -0.01 | 
| Sep | 4.60 | 4.44 | 0.16 | 
| Oct | 3.21 | 3.05 | 0.16 | 
| Nov | 2.53 | 2.67 | -0.14 | 
| Dec | 3.50 | 3.61 | -0.11 | 
| 50.65 | 50.51 | 0.14 |