| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.44 | -0.06 |
| Feb | 3.60 | 3.59 | 0.01 |
| Mar | 4.67 | 4.67 | 0.00 |
| Apr | 5.26 | 5.29 | -0.03 |
| May | 5.28 | 5.30 | -0.02 |
| Jun | 5.23 | 5.33 | -0.10 |
| Jul | 5.32 | 5.28 | 0.04 |
| Aug | 5.23 | 5.17 | 0.06 |
| Sep | 5.22 | 5.12 | 0.10 |
| Oct | 4.22 | 4.20 | 0.02 |
| Nov | 4.29 | 4.35 | -0.06 |
| Dec | 4.24 | 4.34 | -0.10 |
56.94 | 57.08 | -0.14 |