| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.03 | -0.09 |
| Feb | 2.63 | 2.70 | -0.07 |
| Mar | 3.64 | 3.79 | -0.15 |
| Apr | 3.37 | 3.38 | -0.01 |
| May | 4.07 | 4.36 | -0.29 |
| Jun | 4.17 | 4.54 | -0.37 |
| Jul | 4.54 | 4.47 | 0.07 |
| Aug | 3.64 | 3.78 | -0.14 |
| Sep | 4.26 | 4.40 | -0.14 |
| Oct | 3.73 | 3.92 | -0.19 |
| Nov | 3.02 | 3.15 | -0.13 |
| Dec | 3.56 | 3.64 | -0.08 |
43.57 | 45.16 | -1.59 |