| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.36 | 5.84 | -0.48 |
| Feb | 3.75 | 4.07 | -0.32 |
| Mar | 4.28 | 4.43 | -0.15 |
| Apr | 3.20 | 3.48 | -0.28 |
| May | 2.26 | 2.52 | -0.26 |
| Jun | 1.87 | 2.03 | -0.16 |
| Jul | 0.80 | 0.87 | -0.07 |
| Aug | 1.01 | 1.08 | -0.07 |
| Sep | 1.81 | 1.93 | -0.12 |
| Oct | 4.01 | 4.07 | -0.06 |
| Nov | 6.03 | 6.45 | -0.42 |
| Dec | 5.63 | 5.98 | -0.35 |
40.01 | 42.75 | -2.74 |