| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.94 | -0.53 |
| Feb | 2.00 | 2.23 | -0.23 |
| Mar | 2.09 | 2.34 | -0.25 |
| Apr | 3.55 | 3.62 | -0.07 |
| May | 3.88 | 4.06 | -0.18 |
| Jun | 3.62 | 3.73 | -0.11 |
| Jul | 3.24 | 3.10 | 0.14 |
| Aug | 3.41 | 3.42 | -0.01 |
| Sep | 3.20 | 3.16 | 0.04 |
| Oct | 3.92 | 4.08 | -0.16 |
| Nov | 2.94 | 3.14 | -0.20 |
| Dec | 2.52 | 2.75 | -0.23 |
36.78 | 38.57 | -1.79 |