| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.74 | -0.03 |
| Feb | 0.81 | 0.80 | 0.01 |
| Mar | 1.53 | 1.65 | -0.12 |
| Apr | 2.56 | 2.64 | -0.08 |
| May | 4.73 | 5.02 | -0.29 |
| Jun | 4.00 | 4.33 | -0.33 |
| Jul | 4.05 | 4.41 | -0.36 |
| Aug | 3.34 | 3.51 | -0.17 |
| Sep | 2.59 | 2.60 | -0.01 |
| Oct | 2.18 | 2.23 | -0.05 |
| Nov | 1.24 | 1.32 | -0.08 |
| Dec | 0.96 | 0.99 | -0.03 |
28.70 | 30.24 | -1.54 |