| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.37 | 2.54 | -0.17 |
| Feb | 2.10 | 2.14 | -0.04 |
| Mar | 2.47 | 2.55 | -0.08 |
| Apr | 3.56 | 3.62 | -0.06 |
| May | 4.12 | 4.19 | -0.07 |
| Jun | 3.98 | 4.02 | -0.04 |
| Jul | 4.11 | 4.12 | -0.01 |
| Aug | 3.53 | 3.46 | 0.07 |
| Sep | 2.80 | 2.88 | -0.08 |
| Oct | 2.76 | 2.73 | 0.03 |
| Nov | 2.79 | 2.79 | 0.00 |
| Dec | 2.43 | 2.40 | 0.03 |
37.02 | 37.44 | -0.42 |