| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.67 | -0.08 |
| Feb | 3.28 | 3.42 | -0.14 |
| Mar | 4.62 | 4.65 | -0.03 |
| Apr | 5.33 | 5.23 | 0.10 |
| May | 5.27 | 5.26 | 0.01 |
| Jun | 4.56 | 4.75 | -0.19 |
| Jul | 4.26 | 4.15 | 0.11 |
| Aug | 3.27 | 3.17 | 0.10 |
| Sep | 3.75 | 3.65 | 0.10 |
| Oct | 3.43 | 3.56 | -0.13 |
| Nov | 3.82 | 3.90 | -0.08 |
| Dec | 3.93 | 4.12 | -0.19 |
49.11 | 49.53 | -0.42 |