| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.82 | 4.60 | 1.22 |
| Feb | 5.28 | 4.93 | 0.35 |
| Mar | 4.69 | 4.13 | 0.56 |
| Apr | 2.52 | 2.43 | 0.09 |
| May | 1.38 | 1.34 | 0.04 |
| Jun | 0.33 | 0.37 | -0.04 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.04 | 0.04 | 0.00 |
| Sep | 0.24 | 0.20 | 0.04 |
| Oct | 1.42 | 1.41 | 0.01 |
| Nov | 3.05 | 2.67 | 0.38 |
| Dec | 5.36 | 5.07 | 0.29 |
30.14 | 27.19 | 2.95 |