| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.56 | 6.42 | 0.14 |
| Feb | 5.08 | 4.92 | 0.16 |
| Mar | 5.39 | 4.78 | 0.61 |
| Apr | 3.46 | 3.20 | 0.26 |
| May | 2.17 | 2.16 | 0.01 |
| Jun | 1.15 | 1.29 | -0.14 |
| Jul | 0.30 | 0.30 | 0.00 |
| Aug | 0.37 | 0.35 | 0.02 |
| Sep | 1.33 | 1.37 | -0.04 |
| Oct | 3.52 | 3.37 | 0.15 |
| Nov | 6.37 | 6.25 | 0.12 |
| Dec | 7.71 | 7.58 | 0.13 |
43.41 | 41.99 | 1.42 |