| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.60 | -0.01 |
| Feb | 0.76 | 0.75 | 0.01 |
| Mar | 1.38 | 1.42 | -0.04 |
| Apr | 2.54 | 2.54 | 0.00 |
| May | 4.57 | 4.56 | 0.01 |
| Jun | 3.74 | 3.77 | -0.03 |
| Jul | 3.82 | 3.86 | -0.04 |
| Aug | 3.43 | 3.39 | 0.04 |
| Sep | 2.17 | 2.16 | 0.01 |
| Oct | 2.14 | 2.09 | 0.05 |
| Nov | 1.23 | 1.21 | 0.02 |
| Dec | 0.88 | 0.87 | 0.01 |
27.25 | 27.22 | 0.03 |