| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.07 | -0.07 |
| Feb | 2.54 | 2.68 | -0.14 |
| Mar | 3.43 | 3.72 | -0.29 |
| Apr | 3.45 | 3.38 | 0.07 |
| May | 4.28 | 4.29 | -0.01 |
| Jun | 4.66 | 4.75 | -0.09 |
| Jul | 4.19 | 4.28 | -0.09 |
| Aug | 3.86 | 3.92 | -0.06 |
| Sep | 4.56 | 4.70 | -0.14 |
| Oct | 3.57 | 3.80 | -0.23 |
| Nov | 3.22 | 3.35 | -0.13 |
| Dec | 3.29 | 3.48 | -0.19 |
44.05 | 45.42 | -1.37 |