| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.23 | 0.03 |
| Feb | 1.89 | 1.83 | 0.06 |
| Mar | 2.76 | 2.75 | 0.01 |
| Apr | 3.29 | 3.38 | -0.09 |
| May | 3.18 | 2.89 | 0.29 |
| Jun | 3.91 | 3.99 | -0.08 |
| Jul | 3.60 | 3.46 | 0.14 |
| Aug | 3.69 | 3.27 | 0.42 |
| Sep | 3.83 | 3.86 | -0.03 |
| Oct | 3.59 | 3.53 | 0.06 |
| Nov | 2.56 | 2.40 | 0.16 |
| Dec | 2.53 | 2.28 | 0.25 |
37.09 | 35.87 | 1.22 |