| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.08 | -0.10 |
| Feb | 3.50 | 3.50 | 0.00 |
| Mar | 4.80 | 5.10 | -0.30 |
| Apr | 4.45 | 4.60 | -0.15 |
| May | 3.47 | 3.42 | 0.05 |
| Jun | 3.97 | 4.00 | -0.03 |
| Jul | 3.33 | 3.24 | 0.09 |
| Aug | 3.92 | 3.79 | 0.13 |
| Sep | 4.10 | 4.06 | 0.04 |
| Oct | 4.67 | 4.68 | -0.01 |
| Nov | 4.20 | 4.22 | -0.02 |
| Dec | 4.84 | 4.94 | -0.10 |
49.23 | 49.63 | -0.40 |