| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.99 | -0.19 |
| Feb | 0.81 | 0.95 | -0.14 |
| Mar | 1.65 | 1.77 | -0.12 |
| Apr | 2.93 | 3.11 | -0.18 |
| May | 4.20 | 4.25 | -0.05 |
| Jun | 4.71 | 4.94 | -0.23 |
| Jul | 4.25 | 4.22 | 0.03 |
| Aug | 4.64 | 4.40 | 0.24 |
| Sep | 3.40 | 3.32 | 0.08 |
| Oct | 2.75 | 2.93 | -0.18 |
| Nov | 1.61 | 1.74 | -0.13 |
| Dec | 1.16 | 1.36 | -0.20 |
32.91 | 33.98 | -1.07 |