| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.93 | 0.07 |
| Feb | 0.93 | 1.10 | -0.17 |
| Mar | 1.43 | 1.50 | -0.07 |
| Apr | 2.43 | 2.59 | -0.16 |
| May | 3.13 | 3.22 | -0.09 |
| Jun | 4.16 | 4.38 | -0.22 |
| Jul | 3.79 | 3.82 | -0.03 |
| Aug | 3.34 | 3.56 | -0.22 |
| Sep | 3.23 | 3.50 | -0.27 |
| Oct | 2.92 | 3.05 | -0.13 |
| Nov | 1.86 | 2.01 | -0.15 |
| Dec | 1.37 | 1.53 | -0.16 |
29.59 | 31.19 | -1.60 |