| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.77 | 0.03 |
| Feb | 1.00 | 0.98 | 0.02 |
| Mar | 1.77 | 1.70 | 0.07 |
| Apr | 2.93 | 2.95 | -0.02 |
| May | 5.09 | 5.13 | -0.04 |
| Jun | 4.73 | 4.74 | -0.01 |
| Jul | 3.90 | 3.77 | 0.13 |
| Aug | 3.74 | 3.58 | 0.16 |
| Sep | 3.22 | 2.98 | 0.24 |
| Oct | 2.44 | 2.43 | 0.01 |
| Nov | 1.35 | 1.41 | -0.06 |
| Dec | 1.23 | 1.18 | 0.05 |
32.20 | 31.62 | 0.58 |