| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.88 | 6.35 | -0.47 |
| Feb | 4.29 | 4.59 | -0.30 |
| Mar | 4.51 | 4.96 | -0.45 |
| Apr | 3.43 | 3.75 | -0.32 |
| May | 2.60 | 2.74 | -0.14 |
| Jun | 1.72 | 1.78 | -0.06 |
| Jul | 0.47 | 0.48 | -0.01 |
| Aug | 0.58 | 0.58 | 0.00 |
| Sep | 1.58 | 1.58 | 0.00 |
| Oct | 3.85 | 4.02 | -0.17 |
| Nov | 6.25 | 6.47 | -0.22 |
| Dec | 6.80 | 7.26 | -0.46 |
41.96 | 44.56 | -2.60 |