| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.92 | 6.68 | -0.76 |
| Feb | 4.39 | 4.82 | -0.43 |
| Mar | 4.35 | 4.80 | -0.45 |
| Apr | 3.14 | 3.36 | -0.22 |
| May | 2.20 | 2.27 | -0.07 |
| Jun | 1.38 | 1.41 | -0.03 |
| Jul | 0.34 | 0.34 | 0.00 |
| Aug | 0.48 | 0.45 | 0.03 |
| Sep | 1.42 | 1.44 | -0.02 |
| Oct | 3.60 | 3.79 | -0.19 |
| Nov | 6.06 | 6.74 | -0.68 |
| Dec | 6.95 | 7.50 | -0.55 |
40.23 | 43.60 | -3.37 |