| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.48 | 4.29 | 0.19 |
| Feb | 4.04 | 4.02 | 0.02 |
| Mar | 4.58 | 4.76 | -0.18 |
| Apr | 4.67 | 5.00 | -0.33 |
| May | 4.44 | 4.77 | -0.33 |
| Jun | 5.39 | 6.05 | -0.66 |
| Jul | 5.61 | 5.93 | -0.32 |
| Aug | 5.36 | 5.31 | 0.05 |
| Sep | 4.60 | 4.35 | 0.25 |
| Oct | 4.15 | 3.22 | 0.93 |
| Nov | 3.98 | 3.50 | 0.48 |
| Dec | 4.77 | 4.68 | 0.09 |
56.07 | 55.88 | 0.19 |