| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.82 | 4.53 | 0.29 |
| Feb | 4.28 | 4.04 | 0.24 |
| Mar | 4.78 | 4.66 | 0.12 |
| Apr | 4.44 | 4.28 | 0.16 |
| May | 4.24 | 4.20 | 0.04 |
| Jun | 4.68 | 4.42 | 0.26 |
| Jul | 4.76 | 4.79 | -0.03 |
| Aug | 5.34 | 5.01 | 0.33 |
| Sep | 4.54 | 4.40 | 0.14 |
| Oct | 3.85 | 3.85 | 0.00 |
| Nov | 4.14 | 4.04 | 0.10 |
| Dec | 5.25 | 5.02 | 0.23 |
55.12 | 53.24 | 1.88 |