| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.67 | -0.07 |
| Feb | 3.18 | 3.21 | -0.03 |
| Mar | 3.93 | 4.17 | -0.24 |
| Apr | 3.66 | 3.65 | 0.01 |
| May | 3.51 | 3.48 | 0.03 |
| Jun | 4.15 | 4.15 | 0.00 |
| Jul | 3.74 | 3.66 | 0.08 |
| Aug | 4.14 | 4.13 | 0.01 |
| Sep | 3.70 | 3.75 | -0.05 |
| Oct | 3.16 | 3.18 | -0.02 |
| Nov | 3.23 | 3.31 | -0.08 |
| Dec | 3.66 | 3.80 | -0.14 |
43.66 | 44.16 | -0.50 |