| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.68 | -0.09 |
| Feb | 2.94 | 3.03 | -0.09 |
| Mar | 3.86 | 4.07 | -0.21 |
| Apr | 3.82 | 3.98 | -0.16 |
| May | 3.93 | 3.86 | 0.07 |
| Jun | 4.18 | 4.19 | -0.01 |
| Jul | 4.15 | 4.21 | -0.06 |
| Aug | 4.26 | 4.28 | -0.02 |
| Sep | 4.24 | 4.54 | -0.30 |
| Oct | 3.27 | 3.34 | -0.07 |
| Nov | 3.22 | 3.30 | -0.08 |
| Dec | 3.42 | 3.66 | -0.24 |
44.88 | 46.14 | -1.26 |