| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.29 | -0.06 |
| Feb | 2.83 | 2.91 | -0.08 |
| Mar | 4.12 | 4.13 | -0.01 |
| Apr | 3.40 | 3.49 | -0.09 |
| May | 3.75 | 3.99 | -0.24 |
| Jun | 4.11 | 4.12 | -0.01 |
| Jul | 4.19 | 4.39 | -0.20 |
| Aug | 4.50 | 4.80 | -0.30 |
| Sep | 4.07 | 4.08 | -0.01 |
| Oct | 3.78 | 4.14 | -0.36 |
| Nov | 3.19 | 3.19 | 0.00 |
| Dec | 3.76 | 3.84 | -0.08 |
44.93 | 46.37 | -1.44 |