| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.16 | -0.11 |
| Feb | 1.27 | 1.37 | -0.10 |
| Mar | 2.02 | 2.08 | -0.06 |
| Apr | 3.86 | 3.87 | -0.01 |
| May | 4.43 | 4.69 | -0.26 |
| Jun | 5.63 | 5.67 | -0.04 |
| Jul | 4.33 | 4.47 | -0.14 |
| Aug | 4.24 | 4.33 | -0.09 |
| Sep | 3.64 | 3.89 | -0.25 |
| Oct | 2.93 | 3.00 | -0.07 |
| Nov | 2.14 | 2.18 | -0.04 |
| Dec | 1.59 | 1.66 | -0.07 |
37.13 | 38.37 | -1.24 |