| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.57 | 6.52 | 0.05 |
| Feb | 4.93 | 5.00 | -0.07 |
| Mar | 5.23 | 4.93 | 0.30 |
| Apr | 3.42 | 3.31 | 0.11 |
| May | 2.36 | 2.23 | 0.13 |
| Jun | 1.32 | 1.31 | 0.01 |
| Jul | 0.35 | 0.31 | 0.04 |
| Aug | 0.40 | 0.36 | 0.04 |
| Sep | 1.42 | 1.41 | 0.01 |
| Oct | 3.54 | 3.48 | 0.06 |
| Nov | 6.43 | 6.47 | -0.04 |
| Dec | 7.56 | 7.78 | -0.22 |
43.53 | 43.11 | 0.42 |