| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.42 | 6.12 | 0.30 |
| Feb | 4.92 | 4.68 | 0.24 |
| Mar | 5.31 | 4.93 | 0.38 |
| Apr | 4.41 | 4.06 | 0.35 |
| May | 3.06 | 2.78 | 0.28 |
| Jun | 1.70 | 1.59 | 0.11 |
| Jul | 0.34 | 0.35 | -0.01 |
| Aug | 0.49 | 0.42 | 0.07 |
| Sep | 1.50 | 1.40 | 0.10 |
| Oct | 3.76 | 3.56 | 0.20 |
| Nov | 6.55 | 6.34 | 0.21 |
| Dec | 7.55 | 7.30 | 0.25 |
46.01 | 43.53 | 2.48 |