| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.26 | 2.23 | 0.03 | 
| Feb | 1.94 | 1.97 | -0.03 | 
| Mar | 2.58 | 2.68 | -0.10 | 
| Apr | 4.02 | 3.86 | 0.16 | 
| May | 4.43 | 4.43 | 0.00 | 
| Jun | 4.55 | 4.46 | 0.09 | 
| Jul | 4.21 | 4.06 | 0.15 | 
| Aug | 3.39 | 3.21 | 0.18 | 
| Sep | 3.17 | 3.08 | 0.09 | 
| Oct | 3.22 | 3.21 | 0.01 | 
| Nov | 3.08 | 2.98 | 0.10 | 
| Dec | 2.29 | 2.31 | -0.02 | 
| 39.14 | 38.48 | 0.66 |