| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.16 | -0.09 |
| Feb | 1.31 | 1.40 | -0.09 |
| Mar | 2.05 | 2.13 | -0.08 |
| Apr | 3.71 | 3.79 | -0.08 |
| May | 4.46 | 4.53 | -0.07 |
| Jun | 5.53 | 5.53 | 0.00 |
| Jul | 4.34 | 4.38 | -0.04 |
| Aug | 4.23 | 4.19 | 0.04 |
| Sep | 3.55 | 3.66 | -0.11 |
| Oct | 2.92 | 2.91 | 0.01 |
| Nov | 2.14 | 2.14 | 0.00 |
| Dec | 1.59 | 1.64 | -0.05 |
36.90 | 37.46 | -0.56 |