| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.73 | 1.68 | 0.05 | 
| Feb | 1.69 | 1.71 | -0.02 | 
| Mar | 2.24 | 2.24 | 0.00 | 
| Apr | 3.58 | 3.48 | 0.10 | 
| May | 4.56 | 4.74 | -0.18 | 
| Jun | 4.86 | 4.66 | 0.20 | 
| Jul | 3.93 | 3.76 | 0.17 | 
| Aug | 3.94 | 3.90 | 0.04 | 
| Sep | 3.44 | 3.36 | 0.08 | 
| Oct | 3.01 | 2.96 | 0.05 | 
| Nov | 2.42 | 2.30 | 0.12 | 
| Dec | 2.00 | 1.98 | 0.02 | 
| 37.40 | 36.77 | 0.63 |