| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.61 | 0.05 |
| Feb | 1.63 | 1.62 | 0.01 |
| Mar | 2.11 | 2.12 | -0.01 |
| Apr | 3.66 | 3.66 | 0.00 |
| May | 4.26 | 4.19 | 0.07 |
| Jun | 5.14 | 5.19 | -0.05 |
| Jul | 3.89 | 3.67 | 0.22 |
| Aug | 4.09 | 3.94 | 0.15 |
| Sep | 3.56 | 3.59 | -0.03 |
| Oct | 2.93 | 2.88 | 0.05 |
| Nov | 2.37 | 2.36 | 0.01 |
| Dec | 1.94 | 1.89 | 0.05 |
37.24 | 36.72 | 0.52 |