| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.28 | -0.23 |
| Feb | 2.58 | 2.74 | -0.16 |
| Mar | 3.54 | 3.78 | -0.24 |
| Apr | 3.36 | 3.42 | -0.06 |
| May | 4.38 | 4.44 | -0.06 |
| Jun | 4.50 | 4.51 | -0.01 |
| Jul | 4.26 | 4.05 | 0.21 |
| Aug | 3.73 | 3.75 | -0.02 |
| Sep | 4.54 | 4.57 | -0.03 |
| Oct | 3.53 | 3.56 | -0.03 |
| Nov | 3.33 | 3.44 | -0.11 |
| Dec | 3.33 | 3.54 | -0.21 |
44.13 | 45.08 | -0.95 |