| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.51 | -0.11 |
| Feb | 3.28 | 2.91 | 0.37 |
| Mar | 2.67 | 2.73 | -0.06 |
| Apr | 1.63 | 1.53 | 0.10 |
| May | 0.80 | 0.78 | 0.02 |
| Jun | 0.15 | 0.20 | -0.05 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.02 | 0.01 | 0.01 |
| Sep | 0.10 | 0.08 | 0.02 |
| Oct | 0.86 | 0.86 | 0.00 |
| Nov | 1.85 | 1.76 | 0.09 |
| Dec | 3.13 | 3.37 | -0.24 |
17.90 | 17.74 | 0.16 |