| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.75 | 5.98 | -0.23 |
| Feb | 4.29 | 4.33 | -0.04 |
| Mar | 4.24 | 4.34 | -0.10 |
| Apr | 3.10 | 3.28 | -0.18 |
| May | 2.32 | 2.38 | -0.06 |
| Jun | 1.50 | 1.59 | -0.09 |
| Jul | 0.40 | 0.42 | -0.02 |
| Aug | 0.54 | 0.49 | 0.05 |
| Sep | 1.44 | 1.45 | -0.01 |
| Oct | 3.53 | 3.58 | -0.05 |
| Nov | 6.07 | 6.19 | -0.12 |
| Dec | 6.84 | 7.10 | -0.26 |
40.02 | 41.13 | -1.11 |