| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.66 | -0.08 |
| Feb | 4.90 | 4.83 | 0.07 |
| Mar | 5.47 | 5.38 | 0.09 |
| Apr | 5.93 | 5.91 | 0.02 |
| May | 5.30 | 5.45 | -0.15 |
| Jun | 4.56 | 4.60 | -0.04 |
| Jul | 4.24 | 4.50 | -0.26 |
| Aug | 3.35 | 3.31 | 0.04 |
| Sep | 3.34 | 3.27 | 0.07 |
| Oct | 4.10 | 4.23 | -0.13 |
| Nov | 4.39 | 4.30 | 0.09 |
| Dec | 5.75 | 5.70 | 0.05 |
55.91 | 56.14 | -0.23 |