| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.03 | 0.00 |
| Feb | 1.09 | 1.11 | -0.02 |
| Mar | 1.93 | 1.99 | -0.06 |
| Apr | 3.22 | 3.23 | -0.01 |
| May | 4.15 | 4.31 | -0.16 |
| Jun | 4.93 | 5.02 | -0.09 |
| Jul | 3.88 | 3.80 | 0.08 |
| Aug | 4.38 | 4.69 | -0.31 |
| Sep | 3.62 | 3.80 | -0.18 |
| Oct | 2.67 | 2.60 | 0.07 |
| Nov | 1.87 | 1.81 | 0.06 |
| Dec | 1.31 | 1.44 | -0.13 |
34.08 | 34.83 | -0.75 |