| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.37 | 0.07 |
| Feb | 0.37 | 0.31 | 0.06 |
| Mar | 0.58 | 0.53 | 0.05 |
| Apr | 0.55 | 0.66 | -0.11 |
| May | 1.17 | 1.21 | -0.04 |
| Jun | 1.18 | 1.28 | -0.10 |
| Jul | 2.20 | 1.88 | 0.32 |
| Aug | 1.78 | 1.77 | 0.01 |
| Sep | 1.75 | 1.80 | -0.05 |
| Oct | 1.54 | 1.40 | 0.14 |
| Nov | 0.47 | 0.47 | 0.00 |
| Dec | 0.56 | 0.52 | 0.04 |
12.59 | 12.20 | 0.39 |