| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.13 | 0.11 |
| Feb | 1.20 | 1.10 | 0.10 |
| Mar | 0.87 | 0.76 | 0.11 |
| Apr | 0.32 | 0.28 | 0.04 |
| May | 0.20 | 0.18 | 0.02 |
| Jun | 0.21 | 0.26 | -0.05 |
| Jul | 1.97 | 2.03 | -0.06 |
| Aug | 2.25 | 2.39 | -0.14 |
| Sep | 1.38 | 1.19 | 0.19 |
| Oct | 0.65 | 0.79 | -0.14 |
| Nov | 0.77 | 0.70 | 0.07 |
| Dec | 1.36 | 1.19 | 0.17 |
12.42 | 12.00 | 0.42 |