| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.62 | 0.02 |
| Feb | 1.74 | 1.66 | 0.08 |
| Mar | 2.50 | 2.42 | 0.08 |
| Apr | 2.36 | 2.25 | 0.11 |
| May | 4.18 | 4.21 | -0.03 |
| Jun | 3.15 | 3.08 | 0.07 |
| Jul | 2.04 | 2.06 | -0.02 |
| Aug | 2.34 | 2.21 | 0.13 |
| Sep | 3.42 | 3.35 | 0.07 |
| Oct | 3.05 | 3.00 | 0.05 |
| Nov | 2.01 | 2.11 | -0.10 |
| Dec | 1.64 | 1.79 | -0.15 |
30.07 | 29.76 | 0.31 |