| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 4.93 | -0.17 |
| Feb | 4.80 | 4.92 | -0.12 |
| Mar | 5.11 | 5.21 | -0.10 |
| Apr | 4.38 | 4.28 | 0.10 |
| May | 3.56 | 3.72 | -0.16 |
| Jun | 4.30 | 4.25 | 0.05 |
| Jul | 4.69 | 4.87 | -0.18 |
| Aug | 4.01 | 4.15 | -0.14 |
| Sep | 3.37 | 3.53 | -0.16 |
| Oct | 3.18 | 3.21 | -0.03 |
| Nov | 4.09 | 4.15 | -0.06 |
| Dec | 5.06 | 5.14 | -0.08 |
51.31 | 52.36 | -1.05 |