| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.75 | -0.07 |
| Feb | 3.16 | 3.19 | -0.03 |
| Mar | 3.91 | 3.99 | -0.08 |
| Apr | 3.51 | 3.58 | -0.07 |
| May | 3.50 | 3.47 | 0.03 |
| Jun | 3.98 | 4.13 | -0.15 |
| Jul | 3.67 | 3.86 | -0.19 |
| Aug | 4.10 | 4.08 | 0.02 |
| Sep | 3.61 | 3.77 | -0.16 |
| Oct | 3.09 | 3.09 | 0.00 |
| Nov | 3.17 | 3.30 | -0.13 |
| Dec | 3.66 | 3.75 | -0.09 |
43.04 | 43.96 | -0.92 |