| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.96 | -0.18 |
| Feb | 0.80 | 0.93 | -0.13 |
| Mar | 1.62 | 1.72 | -0.10 |
| Apr | 2.88 | 3.14 | -0.26 |
| May | 4.10 | 4.28 | -0.18 |
| Jun | 4.67 | 4.92 | -0.25 |
| Jul | 4.15 | 4.36 | -0.21 |
| Aug | 4.60 | 4.45 | 0.15 |
| Sep | 3.34 | 3.40 | -0.06 |
| Oct | 2.77 | 2.99 | -0.22 |
| Nov | 1.60 | 1.69 | -0.09 |
| Dec | 1.11 | 1.32 | -0.21 |
32.42 | 34.16 | -1.74 |