| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.17 | -0.06 |
| Feb | 2.75 | 2.87 | -0.12 |
| Mar | 3.90 | 4.07 | -0.17 |
| Apr | 3.60 | 3.57 | 0.03 |
| May | 4.26 | 4.32 | -0.06 |
| Jun | 4.31 | 4.28 | 0.03 |
| Jul | 4.42 | 4.27 | 0.15 |
| Aug | 4.17 | 3.97 | 0.20 |
| Sep | 4.42 | 4.43 | -0.01 |
| Oct | 4.15 | 4.18 | -0.03 |
| Nov | 3.38 | 3.30 | 0.08 |
| Dec | 3.73 | 3.91 | -0.18 |
46.20 | 46.34 | -0.14 |