| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.37 | -0.04 |
| Feb | 2.80 | 2.76 | 0.04 |
| Mar | 3.80 | 3.90 | -0.10 |
| Apr | 3.34 | 3.39 | -0.05 |
| May | 4.13 | 4.34 | -0.21 |
| Jun | 3.76 | 3.79 | -0.03 |
| Jul | 4.23 | 4.06 | 0.17 |
| Aug | 3.66 | 3.70 | -0.04 |
| Sep | 4.46 | 4.47 | -0.01 |
| Oct | 3.74 | 3.76 | -0.02 |
| Nov | 3.44 | 3.50 | -0.06 |
| Dec | 3.62 | 3.63 | -0.01 |
44.31 | 44.67 | -0.36 |