| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.88 | -0.15 |
| Feb | 2.20 | 2.32 | -0.12 |
| Mar | 2.95 | 3.13 | -0.18 |
| Apr | 3.64 | 3.74 | -0.10 |
| May | 3.83 | 4.01 | -0.18 |
| Jun | 4.23 | 4.29 | -0.06 |
| Jul | 4.11 | 4.18 | -0.07 |
| Aug | 3.62 | 3.69 | -0.07 |
| Sep | 3.76 | 3.80 | -0.04 |
| Oct | 3.30 | 3.36 | -0.06 |
| Nov | 2.94 | 2.94 | 0.00 |
| Dec | 2.91 | 3.03 | -0.12 |
40.22 | 41.37 | -1.15 |