| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.18 | 4.25 | -0.07 |
| Feb | 3.44 | 3.75 | -0.31 |
| Mar | 4.25 | 4.44 | -0.19 |
| Apr | 4.32 | 4.72 | -0.40 |
| May | 3.80 | 3.80 | 0.00 |
| Jun | 4.28 | 4.52 | -0.24 |
| Jul | 3.18 | 3.17 | 0.01 |
| Aug | 3.16 | 3.22 | -0.06 |
| Sep | 4.02 | 4.19 | -0.17 |
| Oct | 5.38 | 5.70 | -0.32 |
| Nov | 4.76 | 4.90 | -0.14 |
| Dec | 4.92 | 5.08 | -0.16 |
49.69 | 51.74 | -2.05 |