| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.83 | 0.04 |
| Feb | 2.22 | 2.22 | 0.00 |
| Mar | 2.70 | 2.83 | -0.13 |
| Apr | 2.50 | 2.60 | -0.10 |
| May | 2.80 | 2.73 | 0.07 |
| Jun | 7.26 | 7.32 | -0.06 |
| Jul | 8.36 | 8.00 | 0.36 |
| Aug | 9.17 | 9.14 | 0.03 |
| Sep | 6.47 | 7.25 | -0.78 |
| Oct | 2.59 | 2.56 | 0.03 |
| Nov | 1.65 | 1.69 | -0.04 |
| Dec | 2.51 | 2.43 | 0.08 |
51.10 | 51.60 | -0.50 |