| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.48 | 5.77 | -0.29 |
| Feb | 4.70 | 4.86 | -0.16 |
| Mar | 5.18 | 5.33 | -0.15 |
| Apr | 5.11 | 5.13 | -0.02 |
| May | 4.17 | 4.66 | -0.49 |
| Jun | 6.29 | 6.51 | -0.22 |
| Jul | 6.66 | 7.25 | -0.59 |
| Aug | 6.25 | 6.29 | -0.04 |
| Sep | 5.67 | 5.67 | 0.00 |
| Oct | 3.97 | 3.94 | 0.03 |
| Nov | 4.39 | 4.51 | -0.12 |
| Dec | 5.36 | 5.50 | -0.14 |
63.23 | 65.42 | -2.19 |