| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.96 | 2.17 | -0.21 |
| Feb | 1.80 | 1.98 | -0.18 |
| Mar | 2.30 | 2.32 | -0.02 |
| Apr | 3.76 | 3.88 | -0.12 |
| May | 4.52 | 4.55 | -0.03 |
| Jun | 4.30 | 4.36 | -0.06 |
| Jul | 3.67 | 3.77 | -0.10 |
| Aug | 3.95 | 4.01 | -0.06 |
| Sep | 3.28 | 3.22 | 0.06 |
| Oct | 3.42 | 3.56 | -0.14 |
| Nov | 2.49 | 2.67 | -0.18 |
| Dec | 2.09 | 2.26 | -0.17 |
37.54 | 38.75 | -1.21 |