| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.00 | -0.05 |
| Feb | 0.98 | 1.00 | -0.02 |
| Mar | 1.64 | 1.67 | -0.03 |
| Apr | 2.86 | 2.87 | -0.01 |
| May | 3.90 | 3.91 | -0.01 |
| Jun | 4.57 | 4.66 | -0.09 |
| Jul | 4.04 | 4.06 | -0.02 |
| Aug | 4.02 | 4.19 | -0.17 |
| Sep | 3.52 | 3.60 | -0.08 |
| Oct | 3.06 | 3.13 | -0.07 |
| Nov | 1.78 | 1.78 | 0.00 |
| Dec | 1.22 | 1.30 | -0.08 |
32.54 | 33.17 | -0.63 |