| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.46 | 0.01 |
| Feb | 2.08 | 1.98 | 0.10 |
| Mar | 2.65 | 2.79 | -0.14 |
| Apr | 2.70 | 2.47 | 0.23 |
| May | 4.48 | 4.54 | -0.06 |
| Jun | 3.38 | 3.47 | -0.09 |
| Jul | 2.25 | 2.08 | 0.17 |
| Aug | 2.42 | 2.24 | 0.18 |
| Sep | 3.67 | 3.59 | 0.08 |
| Oct | 4.12 | 4.11 | 0.01 |
| Nov | 2.81 | 2.81 | 0.00 |
| Dec | 2.51 | 2.68 | -0.17 |
35.54 | 35.22 | 0.32 |