| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.95 | -0.13 |
| Feb | 0.80 | 0.93 | -0.13 |
| Mar | 1.63 | 1.70 | -0.07 |
| Apr | 2.91 | 2.92 | -0.01 |
| May | 4.11 | 4.22 | -0.11 |
| Jun | 4.75 | 4.96 | -0.21 |
| Jul | 4.13 | 4.29 | -0.16 |
| Aug | 4.48 | 4.38 | 0.10 |
| Sep | 3.35 | 3.26 | 0.09 |
| Oct | 2.64 | 2.75 | -0.11 |
| Nov | 1.56 | 1.67 | -0.11 |
| Dec | 1.15 | 1.29 | -0.14 |
32.33 | 33.32 | -0.99 |