| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.86 | -0.14 |
| Feb | 3.21 | 3.27 | -0.06 |
| Mar | 3.97 | 4.07 | -0.10 |
| Apr | 3.58 | 3.59 | -0.01 |
| May | 3.47 | 3.37 | 0.10 |
| Jun | 4.00 | 4.10 | -0.10 |
| Jul | 3.65 | 3.83 | -0.18 |
| Aug | 4.09 | 4.16 | -0.07 |
| Sep | 3.55 | 3.75 | -0.20 |
| Oct | 3.08 | 3.08 | 0.00 |
| Nov | 3.25 | 3.32 | -0.07 |
| Dec | 3.74 | 3.89 | -0.15 |
43.31 | 44.29 | -0.98 |