| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 4.76 | 0.26 |
| Feb | 4.12 | 4.08 | 0.04 |
| Mar | 4.98 | 4.79 | 0.19 |
| Apr | 4.88 | 4.78 | 0.10 |
| May | 4.92 | 4.73 | 0.19 |
| Jun | 5.03 | 4.90 | 0.13 |
| Jul | 5.13 | 5.09 | 0.04 |
| Aug | 5.30 | 5.41 | -0.11 |
| Sep | 5.27 | 4.93 | 0.34 |
| Oct | 4.46 | 4.29 | 0.17 |
| Nov | 4.44 | 4.34 | 0.10 |
| Dec | 5.27 | 5.28 | -0.01 |
58.82 | 57.38 | 1.44 |