| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.29 | 0.09 |
| Feb | 4.34 | 4.23 | 0.11 |
| Mar | 4.65 | 4.63 | 0.02 |
| Apr | 3.55 | 3.53 | 0.02 |
| May | 3.43 | 3.40 | 0.03 |
| Jun | 4.56 | 4.30 | 0.26 |
| Jul | 4.05 | 4.00 | 0.05 |
| Aug | 4.47 | 4.40 | 0.07 |
| Sep | 3.83 | 3.76 | 0.07 |
| Oct | 3.22 | 3.36 | -0.14 |
| Nov | 3.66 | 3.80 | -0.14 |
| Dec | 4.67 | 4.67 | 0.00 |
48.81 | 48.37 | 0.44 |